208634240

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7951}}^1$

素因数の和:8011

約数の個数: 64

約数和(自身を含む): 510995520

約数和(自身を除く): 302361280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1640, 2624, 3280, 5248, 6560, 7951, 13120, 15902, 26240, 31804, 39755, 63608, 79510, 127216, 159020, 254432, 318040, 325991, 508864, 636080, 651982, 1017728, 1272160, 1303964, 1629955, 2544320, 2607928, 3259910, 5088640, 5215856, 6519820, 10431712, 13039640, 20863424, 26079280, 41726848, 52158560, 104317120, 208634240]

約数ペア:

[(1, 208634240), (2, 104317120), (4, 52158560), (5, 41726848), (8, 26079280), (10, 20863424), (16, 13039640), (20, 10431712), (32, 6519820), (40, 5215856), (41, 5088640), (64, 3259910), (80, 2607928), (82, 2544320), (128, 1629955), (160, 1303964), (164, 1272160), (205, 1017728), (320, 651982), (328, 636080), (410, 508864), (640, 325991), (656, 318040), (820, 254432), (1312, 159020), (1640, 127216), (2624, 79510), (3280, 63608), (5248, 39755), (6560, 31804), (7951, 26240), (13120, 15902)]