64336340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 139732992

約数和(自身を除く): 75396652

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 227, 370, 383, 454, 740, 766, 908, 1135, 1532, 1915, 2270, 3830, 4540, 7660, 8399, 14171, 16798, 28342, 33596, 41995, 56684, 70855, 83990, 86941, 141710, 167980, 173882, 283420, 347764, 434705, 869410, 1738820, 3216817, 6433634, 12867268, 16084085, 32168170, 64336340]

約数ペア:

[(1, 64336340), (2, 32168170), (4, 16084085), (5, 12867268), (10, 6433634), (20, 3216817), (37, 1738820), (74, 869410), (148, 434705), (185, 347764), (227, 283420), (370, 173882), (383, 167980), (454, 141710), (740, 86941), (766, 83990), (908, 70855), (1135, 56684), (1532, 41995), (1915, 33596), (2270, 28342), (3830, 16798), (4540, 14171), (7660, 8399)]