4011400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 9642240

約数和(自身を除く): 5630840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 647, 775, 1240, 1294, 1550, 2588, 3100, 3235, 5176, 6200, 6470, 12940, 16175, 20057, 25880, 32350, 40114, 64700, 80228, 100285, 129400, 160456, 200570, 401140, 501425, 802280, 1002850, 2005700, 4011400]

約数ペア:

[(1, 4011400), (2, 2005700), (4, 1002850), (5, 802280), (8, 501425), (10, 401140), (20, 200570), (25, 160456), (31, 129400), (40, 100285), (50, 80228), (62, 64700), (100, 40114), (124, 32350), (155, 25880), (200, 20057), (248, 16175), (310, 12940), (620, 6470), (647, 6200), (775, 5176), (1240, 3235), (1294, 3100), (1550, 2588)]