40939984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1147

約数の個数: 40

約数和(自身を含む): 84191040

約数和(自身を除く): 43251056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 548, 983, 1096, 1966, 2192, 2603, 3932, 5206, 7864, 10412, 15728, 18677, 20824, 37354, 41648, 74708, 134671, 149416, 269342, 298832, 538684, 1077368, 2154736, 2558749, 5117498, 10234996, 20469992, 40939984]

約数ペア:

[(1, 40939984), (2, 20469992), (4, 10234996), (8, 5117498), (16, 2558749), (19, 2154736), (38, 1077368), (76, 538684), (137, 298832), (152, 269342), (274, 149416), (304, 134671), (548, 74708), (983, 41648), (1096, 37354), (1966, 20824), (2192, 18677), (2603, 15728), (3932, 10412), (5206, 7864)]