16040180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 40642560

約数和(自身を除く): 24602380

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 191, 221, 247, 260, 323, 340, 380, 382, 442, 494, 646, 764, 884, 955, 988, 1105, 1235, 1292, 1615, 1910, 2210, 2470, 2483, 3230, 3247, 3629, 3820, 4199, 4420, 4940, 4966, 6460, 6494, 7258, 8398, 9932, 12415, 12988, 14516, 16235, 16796, 18145, 20995, 24830, 32470, 36290, 41990, 42211, 47177, 49660, 61693, 64940, 72580, 83980, 84422, 94354, 123386, 168844, 188708, 211055, 235885, 246772, 308465, 422110, 471770, 616930, 802009, 844220, 943540, 1233860, 1604018, 3208036, 4010045, 8020090, 16040180]

約数ペア:

[(1, 16040180), (2, 8020090), (4, 4010045), (5, 3208036), (10, 1604018), (13, 1233860), (17, 943540), (19, 844220), (20, 802009), (26, 616930), (34, 471770), (38, 422110), (52, 308465), (65, 246772), (68, 235885), (76, 211055), (85, 188708), (95, 168844), (130, 123386), (170, 94354), (190, 84422), (191, 83980), (221, 72580), (247, 64940), (260, 61693), (323, 49660), (340, 47177), (380, 42211), (382, 41990), (442, 36290), (494, 32470), (646, 24830), (764, 20995), (884, 18145), (955, 16796), (988, 16235), (1105, 14516), (1235, 12988), (1292, 12415), (1615, 9932), (1910, 8398), (2210, 7258), (2470, 6494), (2483, 6460), (3230, 4966), (3247, 4940), (3629, 4420), (3820, 4199)]