1604560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 40

約数和(自身を含む): 3856896

約数和(自身を除く): 2252336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 647, 1240, 1294, 2480, 2588, 3235, 5176, 6470, 10352, 12940, 20057, 25880, 40114, 51760, 80228, 100285, 160456, 200570, 320912, 401140, 802280, 1604560]

約数ペア:

[(1, 1604560), (2, 802280), (4, 401140), (5, 320912), (8, 200570), (10, 160456), (16, 100285), (20, 80228), (31, 51760), (40, 40114), (62, 25880), (80, 20057), (124, 12940), (155, 10352), (248, 6470), (310, 5176), (496, 3235), (620, 2588), (647, 2480), (1240, 1294)]