220169440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44389}}^1$

素因数の和:44435

約数の個数: 48

約数和(自身を含む): 536941440

約数和(自身を除く): 316772000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 44389, 88778, 177556, 221945, 355112, 443890, 710224, 887780, 1376059, 1420448, 1775560, 2752118, 3551120, 5504236, 6880295, 7102240, 11008472, 13760590, 22016944, 27521180, 44033888, 55042360, 110084720, 220169440]

約数ペア:

[(1, 220169440), (2, 110084720), (4, 55042360), (5, 44033888), (8, 27521180), (10, 22016944), (16, 13760590), (20, 11008472), (31, 7102240), (32, 6880295), (40, 5504236), (62, 3551120), (80, 2752118), (124, 1775560), (155, 1420448), (160, 1376059), (248, 887780), (310, 710224), (496, 443890), (620, 355112), (992, 221945), (1240, 177556), (2480, 88778), (4960, 44389)]