100805840

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4549}}^1$

素因数の和:4839

約数の個数: 40

約数和(自身を含む): 235271400

約数和(自身を除く): 134465560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4432, 4549, 5540, 9098, 11080, 18196, 22160, 22745, 36392, 45490, 72784, 90980, 181960, 363920, 1260073, 2520146, 5040292, 6300365, 10080584, 12600730, 20161168, 25201460, 50402920, 100805840]

約数ペア:

[(1, 100805840), (2, 50402920), (4, 25201460), (5, 20161168), (8, 12600730), (10, 10080584), (16, 6300365), (20, 5040292), (40, 2520146), (80, 1260073), (277, 363920), (554, 181960), (1108, 90980), (1385, 72784), (2216, 45490), (2770, 36392), (4432, 22745), (4549, 22160), (5540, 18196), (9098, 11080)]