31855780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7621}}^1$

素因数の和:7660

約数の個数: 48

約数和(自身を含む): 76829760

約数和(自身を除く): 44973980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 7621, 15242, 30484, 38105, 76210, 83831, 144799, 152420, 167662, 289598, 335324, 419155, 579196, 723995, 838310, 1447990, 1592789, 1676620, 2895980, 3185578, 6371156, 7963945, 15927890, 31855780]

約数ペア:

[(1, 31855780), (2, 15927890), (4, 7963945), (5, 6371156), (10, 3185578), (11, 2895980), (19, 1676620), (20, 1592789), (22, 1447990), (38, 838310), (44, 723995), (55, 579196), (76, 419155), (95, 335324), (110, 289598), (190, 167662), (209, 152420), (220, 144799), (380, 83831), (418, 76210), (836, 38105), (1045, 30484), (2090, 15242), (4180, 7621)]