65726480

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5233}}^1$

素因数の和:5403

約数の個数: 40

約数和(自身を含む): 153816792

約数和(自身を除く): 88090312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 5233, 6280, 10466, 12560, 20932, 26165, 41864, 52330, 83728, 104660, 209320, 418640, 821581, 1643162, 3286324, 4107905, 6572648, 8215810, 13145296, 16431620, 32863240, 65726480]

約数ペア:

[(1, 65726480), (2, 32863240), (4, 16431620), (5, 13145296), (8, 8215810), (10, 6572648), (16, 4107905), (20, 3286324), (40, 1643162), (80, 821581), (157, 418640), (314, 209320), (628, 104660), (785, 83728), (1256, 52330), (1570, 41864), (2512, 26165), (3140, 20932), (5233, 12560), (6280, 10466)]