40424020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 112613760

約数和(自身を除く): 72189740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 167, 182, 190, 196, 245, 247, 260, 266, 334, 364, 380, 455, 490, 494, 532, 637, 665, 668, 835, 910, 931, 980, 988, 1169, 1235, 1274, 1330, 1670, 1729, 1820, 1862, 2171, 2338, 2470, 2548, 2660, 3173, 3185, 3340, 3458, 3724, 4342, 4655, 4676, 4940, 5845, 6346, 6370, 6916, 8183, 8645, 8684, 9310, 10855, 11690, 12103, 12692, 12740, 15197, 15865, 16366, 17290, 18620, 21710, 22211, 23380, 24206, 30394, 31730, 32732, 34580, 40915, 41249, 43420, 44422, 48412, 60515, 60788, 63460, 75985, 81830, 82498, 88844, 106379, 111055, 121030, 151970, 155477, 163660, 164996, 206245, 212758, 222110, 242060, 288743, 303940, 310954, 412490, 425516, 444220, 531895, 577486, 621908, 777385, 824980, 1063790, 1154972, 1443715, 1554770, 2021201, 2127580, 2887430, 3109540, 4042402, 5774860, 8084804, 10106005, 20212010, 40424020]

約数ペア:

[(1, 40424020), (2, 20212010), (4, 10106005), (5, 8084804), (7, 5774860), (10, 4042402), (13, 3109540), (14, 2887430), (19, 2127580), (20, 2021201), (26, 1554770), (28, 1443715), (35, 1154972), (38, 1063790), (49, 824980), (52, 777385), (65, 621908), (70, 577486), (76, 531895), (91, 444220), (95, 425516), (98, 412490), (130, 310954), (133, 303940), (140, 288743), (167, 242060), (182, 222110), (190, 212758), (196, 206245), (245, 164996), (247, 163660), (260, 155477), (266, 151970), (334, 121030), (364, 111055), (380, 106379), (455, 88844), (490, 82498), (494, 81830), (532, 75985), (637, 63460), (665, 60788), (668, 60515), (835, 48412), (910, 44422), (931, 43420), (980, 41249), (988, 40915), (1169, 34580), (1235, 32732), (1274, 31730), (1330, 30394), (1670, 24206), (1729, 23380), (1820, 22211), (1862, 21710), (2171, 18620), (2338, 17290), (2470, 16366), (2548, 15865), (2660, 15197), (3173, 12740), (3185, 12692), (3340, 12103), (3458, 11690), (3724, 10855), (4342, 9310), (4655, 8684), (4676, 8645), (4940, 8183), (5845, 6916), (6346, 6370)]