38042680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 92988000

約数和(自身を除く): 54945320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 491, 520, 596, 745, 982, 1192, 1490, 1937, 1964, 2455, 2980, 3874, 3928, 4910, 5960, 6383, 7748, 9685, 9820, 12766, 15496, 19370, 19640, 25532, 31915, 38740, 51064, 63830, 73159, 77480, 127660, 146318, 255320, 292636, 365795, 585272, 731590, 951067, 1463180, 1902134, 2926360, 3804268, 4755335, 7608536, 9510670, 19021340, 38042680]

約数ペア:

[(1, 38042680), (2, 19021340), (4, 9510670), (5, 7608536), (8, 4755335), (10, 3804268), (13, 2926360), (20, 1902134), (26, 1463180), (40, 951067), (52, 731590), (65, 585272), (104, 365795), (130, 292636), (149, 255320), (260, 146318), (298, 127660), (491, 77480), (520, 73159), (596, 63830), (745, 51064), (982, 38740), (1192, 31915), (1490, 25532), (1937, 19640), (1964, 19370), (2455, 15496), (2980, 12766), (3874, 9820), (3928, 9685), (4910, 7748), (5960, 6383)]