100585720

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3923}}^1$

素因数の和:4575

約数の個数: 32

約数和(自身を含む): 226728720

約数和(自身を除く): 126143000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 3923, 5128, 6410, 7846, 12820, 15692, 19615, 25640, 31384, 39230, 78460, 156920, 2514643, 5029286, 10058572, 12573215, 20117144, 25146430, 50292860, 100585720]

約数ペア:

[(1, 100585720), (2, 50292860), (4, 25146430), (5, 20117144), (8, 12573215), (10, 10058572), (20, 5029286), (40, 2514643), (641, 156920), (1282, 78460), (2564, 39230), (3205, 31384), (3923, 25640), (5128, 19615), (6410, 15692), (7846, 12820)]