40378520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11093}}^1$

素因数の和:11124

約数の個数: 64

約数和(自身を含む): 111827520

約数和(自身を除く): 71449000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 11093, 22186, 44372, 55465, 77651, 88744, 110930, 144209, 155302, 221860, 288418, 310604, 388255, 443720, 576836, 621208, 721045, 776510, 1009463, 1153672, 1442090, 1553020, 2018926, 2884180, 3106040, 4037852, 5047315, 5768360, 8075704, 10094630, 20189260, 40378520]

約数ペア:

[(1, 40378520), (2, 20189260), (4, 10094630), (5, 8075704), (7, 5768360), (8, 5047315), (10, 4037852), (13, 3106040), (14, 2884180), (20, 2018926), (26, 1553020), (28, 1442090), (35, 1153672), (40, 1009463), (52, 776510), (56, 721045), (65, 621208), (70, 576836), (91, 443720), (104, 388255), (130, 310604), (140, 288418), (182, 221860), (260, 155302), (280, 144209), (364, 110930), (455, 88744), (520, 77651), (728, 55465), (910, 44372), (1820, 22186), (3640, 11093)]