1871560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 4276800

約数和(自身を除く): 2405240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 659, 710, 1318, 1420, 2636, 2840, 3295, 5272, 6590, 13180, 26360, 46789, 93578, 187156, 233945, 374312, 467890, 935780, 1871560]

約数ペア:

[(1, 1871560), (2, 935780), (4, 467890), (5, 374312), (8, 233945), (10, 187156), (20, 93578), (40, 46789), (71, 26360), (142, 13180), (284, 6590), (355, 5272), (568, 3295), (659, 2840), (710, 2636), (1318, 1420)]