31647880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4231}}^1$

素因数の和:4270

約数の個数: 64

約数和(自身を含む): 82270080

約数和(自身を除く): 50622200

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 4231, 7480, 8462, 16924, 21155, 33848, 42310, 46541, 71927, 84620, 93082, 143854, 169240, 186164, 232705, 287708, 359635, 372328, 465410, 575416, 719270, 791197, 930820, 1438540, 1582394, 1861640, 2877080, 3164788, 3955985, 6329576, 7911970, 15823940, 31647880]

約数ペア:

[(1, 31647880), (2, 15823940), (4, 7911970), (5, 6329576), (8, 3955985), (10, 3164788), (11, 2877080), (17, 1861640), (20, 1582394), (22, 1438540), (34, 930820), (40, 791197), (44, 719270), (55, 575416), (68, 465410), (85, 372328), (88, 359635), (110, 287708), (136, 232705), (170, 186164), (187, 169240), (220, 143854), (340, 93082), (374, 84620), (440, 71927), (680, 46541), (748, 42310), (935, 33848), (1496, 21155), (1870, 16924), (3740, 8462), (4231, 7480)]