105648280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 64

約数和(自身を含む): 244800000

約数和(自身を除く): 139151720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 268, 316, 335, 395, 499, 536, 632, 670, 790, 998, 1340, 1580, 1996, 2495, 2680, 3160, 3992, 4990, 5293, 9980, 10586, 19960, 21172, 26465, 33433, 39421, 42344, 52930, 66866, 78842, 105860, 133732, 157684, 167165, 197105, 211720, 267464, 315368, 334330, 394210, 668660, 788420, 1337320, 1576840, 2641207, 5282414, 10564828, 13206035, 21129656, 26412070, 52824140, 105648280]

約数ペア:

[(1, 105648280), (2, 52824140), (4, 26412070), (5, 21129656), (8, 13206035), (10, 10564828), (20, 5282414), (40, 2641207), (67, 1576840), (79, 1337320), (134, 788420), (158, 668660), (268, 394210), (316, 334330), (335, 315368), (395, 267464), (499, 211720), (536, 197105), (632, 167165), (670, 157684), (790, 133732), (998, 105860), (1340, 78842), (1580, 66866), (1996, 52930), (2495, 42344), (2680, 39421), (3160, 33433), (3992, 26465), (4990, 21172), (5293, 19960), (9980, 10586)]