64556320

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13913}}^1$

素因数の和:13957

約数の個数: 48

約数和(自身を含む): 157784760

約数和(自身を除く): 93228440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 13913, 27826, 55652, 69565, 111304, 139130, 222608, 278260, 403477, 445216, 556520, 806954, 1113040, 1613908, 2017385, 2226080, 3227816, 4034770, 6455632, 8069540, 12911264, 16139080, 32278160, 64556320]

約数ペア:

[(1, 64556320), (2, 32278160), (4, 16139080), (5, 12911264), (8, 8069540), (10, 6455632), (16, 4034770), (20, 3227816), (29, 2226080), (32, 2017385), (40, 1613908), (58, 1113040), (80, 806954), (116, 556520), (145, 445216), (160, 403477), (232, 278260), (290, 222608), (464, 139130), (580, 111304), (928, 69565), (1160, 55652), (2320, 27826), (4640, 13913)]