100828040

素因数分解:

$2^3\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{1789}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 227151000

約数和(自身を除く): 126322960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1409, 1789, 2818, 3578, 5636, 7045, 7156, 8945, 11272, 14090, 14312, 17890, 28180, 35780, 56360, 71560, 2520701, 5041402, 10082804, 12603505, 20165608, 25207010, 50414020, 100828040]

約数ペア:

[(1, 100828040), (2, 50414020), (4, 25207010), (5, 20165608), (8, 12603505), (10, 10082804), (20, 5041402), (40, 2520701), (1409, 71560), (1789, 56360), (2818, 35780), (3578, 28180), (5636, 17890), (7045, 14312), (7156, 14090), (8945, 11272)]