40392040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 98658000

約数和(自身を除く): 58265960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 449, 520, 692, 865, 898, 1384, 1730, 1796, 2245, 2249, 3460, 3592, 4490, 4498, 5837, 6920, 8980, 8996, 11245, 11674, 17960, 17992, 22490, 23348, 29185, 44980, 46696, 58370, 77677, 89960, 116740, 155354, 233480, 310708, 388385, 621416, 776770, 1009801, 1553540, 2019602, 3107080, 4039204, 5049005, 8078408, 10098010, 20196020, 40392040]

約数ペア:

[(1, 40392040), (2, 20196020), (4, 10098010), (5, 8078408), (8, 5049005), (10, 4039204), (13, 3107080), (20, 2019602), (26, 1553540), (40, 1009801), (52, 776770), (65, 621416), (104, 388385), (130, 310708), (173, 233480), (260, 155354), (346, 116740), (449, 89960), (520, 77677), (692, 58370), (865, 46696), (898, 44980), (1384, 29185), (1730, 23348), (1796, 22490), (2245, 17992), (2249, 17960), (3460, 11674), (3592, 11245), (4490, 8996), (4498, 8980), (5837, 6920)]