12713680400

素因数分解:

$2^4\times 5^2\times {\mathrm{31784201}}^1$

素因数の和:31784219

約数の個数: 30

約数和(自身を含む): 30544618122

約数和(自身を除く): 17830937722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31784201, 63568402, 127136804, 158921005, 254273608, 317842010, 508547216, 635684020, 794605025, 1271368040, 1589210050, 2542736080, 3178420100, 6356840200, 12713680400]

約数ペア:

[(1, 12713680400), (2, 6356840200), (4, 3178420100), (5, 2542736080), (8, 1589210050), (10, 1271368040), (16, 794605025), (20, 635684020), (25, 508547216), (40, 317842010), (50, 254273608), (80, 158921005), (100, 127136804), (200, 63568402), (400, 31784201)]