40571960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 110496960

約数和(自身を除く): 69925000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 41, 44, 52, 55, 65, 82, 88, 104, 110, 130, 143, 164, 173, 205, 220, 260, 286, 328, 346, 410, 440, 451, 520, 533, 572, 692, 715, 820, 865, 902, 1066, 1144, 1384, 1430, 1640, 1730, 1804, 1903, 2132, 2249, 2255, 2665, 2860, 3460, 3608, 3806, 4264, 4498, 4510, 5330, 5720, 5863, 6920, 7093, 7612, 8996, 9020, 9515, 10660, 11245, 11726, 14186, 15224, 17992, 18040, 19030, 21320, 22490, 23452, 24739, 28372, 29315, 35465, 38060, 44980, 46904, 49478, 56744, 58630, 70930, 76120, 78023, 89960, 92209, 98956, 117260, 123695, 141860, 156046, 184418, 197912, 234520, 247390, 283720, 312092, 368836, 390115, 461045, 494780, 624184, 737672, 780230, 922090, 989560, 1014299, 1560460, 1844180, 2028598, 3120920, 3688360, 4057196, 5071495, 8114392, 10142990, 20285980, 40571960]

約数ペア:

[(1, 40571960), (2, 20285980), (4, 10142990), (5, 8114392), (8, 5071495), (10, 4057196), (11, 3688360), (13, 3120920), (20, 2028598), (22, 1844180), (26, 1560460), (40, 1014299), (41, 989560), (44, 922090), (52, 780230), (55, 737672), (65, 624184), (82, 494780), (88, 461045), (104, 390115), (110, 368836), (130, 312092), (143, 283720), (164, 247390), (173, 234520), (205, 197912), (220, 184418), (260, 156046), (286, 141860), (328, 123695), (346, 117260), (410, 98956), (440, 92209), (451, 89960), (520, 78023), (533, 76120), (572, 70930), (692, 58630), (715, 56744), (820, 49478), (865, 46904), (902, 44980), (1066, 38060), (1144, 35465), (1384, 29315), (1430, 28372), (1640, 24739), (1730, 23452), (1804, 22490), (1903, 21320), (2132, 19030), (2249, 18040), (2255, 17992), (2665, 15224), (2860, 14186), (3460, 11726), (3608, 11245), (3806, 10660), (4264, 9515), (4498, 9020), (4510, 8996), (5330, 7612), (5720, 7093), (5863, 6920)]