38542640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25357}}^1$

素因数の和:25389

約数の個数: 40

約数和(自身を含む): 94331760

約数和(自身を除く): 55789120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 25357, 50714, 101428, 126785, 202856, 253570, 405712, 481783, 507140, 963566, 1014280, 1927132, 2028560, 2408915, 3854264, 4817830, 7708528, 9635660, 19271320, 38542640]

約数ペア:

[(1, 38542640), (2, 19271320), (4, 9635660), (5, 7708528), (8, 4817830), (10, 3854264), (16, 2408915), (19, 2028560), (20, 1927132), (38, 1014280), (40, 963566), (76, 507140), (80, 481783), (95, 405712), (152, 253570), (190, 202856), (304, 126785), (380, 101428), (760, 50714), (1520, 25357)]