220092560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88747}}^1$

素因数の和:88791

約数の個数: 40

約数和(自身を含む): 528228096

約数和(自身を除く): 308135536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 88747, 177494, 354988, 443735, 709976, 887470, 1419952, 1774940, 2751157, 3549880, 5502314, 7099760, 11004628, 13755785, 22009256, 27511570, 44018512, 55023140, 110046280, 220092560]

約数ペア:

[(1, 220092560), (2, 110046280), (4, 55023140), (5, 44018512), (8, 27511570), (10, 22009256), (16, 13755785), (20, 11004628), (31, 7099760), (40, 5502314), (62, 3549880), (80, 2751157), (124, 1774940), (155, 1419952), (248, 887470), (310, 709976), (496, 443735), (620, 354988), (1240, 177494), (2480, 88747)]