331320560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{133597}}^1$

素因数の和:133641

約数の個数: 40

約数和(自身を含む): 795175296

約数和(自身を除く): 463854736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 133597, 267194, 534388, 667985, 1068776, 1335970, 2137552, 2671940, 4141507, 5343880, 8283014, 10687760, 16566028, 20707535, 33132056, 41415070, 66264112, 82830140, 165660280, 331320560]

約数ペア:

[(1, 331320560), (2, 165660280), (4, 82830140), (5, 66264112), (8, 41415070), (10, 33132056), (16, 20707535), (20, 16566028), (31, 10687760), (40, 8283014), (62, 5343880), (80, 4141507), (124, 2671940), (155, 2137552), (248, 1335970), (310, 1068776), (496, 667985), (620, 534388), (1240, 267194), (2480, 133597)]