40569880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 99993600

約数和(自身を除く): 59423720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1279, 1586, 2440, 2558, 3172, 3965, 5116, 6344, 6395, 7930, 10232, 12790, 15860, 16627, 25580, 31720, 33254, 51160, 66508, 78019, 83135, 133016, 156038, 166270, 312076, 332540, 390095, 624152, 665080, 780190, 1014247, 1560380, 2028494, 3120760, 4056988, 5071235, 8113976, 10142470, 20284940, 40569880]

約数ペア:

[(1, 40569880), (2, 20284940), (4, 10142470), (5, 8113976), (8, 5071235), (10, 4056988), (13, 3120760), (20, 2028494), (26, 1560380), (40, 1014247), (52, 780190), (61, 665080), (65, 624152), (104, 390095), (122, 332540), (130, 312076), (244, 166270), (260, 156038), (305, 133016), (488, 83135), (520, 78019), (610, 66508), (793, 51160), (1220, 33254), (1279, 31720), (1586, 25580), (2440, 16627), (2558, 15860), (3172, 12790), (3965, 10232), (5116, 7930), (6344, 6395)]