22626280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 53498880

約数和(自身を除く): 30872600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 257, 284, 310, 355, 514, 568, 620, 710, 1028, 1240, 1285, 1420, 2056, 2201, 2570, 2840, 4402, 5140, 7967, 8804, 10280, 11005, 15934, 17608, 18247, 22010, 31868, 36494, 39835, 44020, 63736, 72988, 79670, 88040, 91235, 145976, 159340, 182470, 318680, 364940, 565657, 729880, 1131314, 2262628, 2828285, 4525256, 5656570, 11313140, 22626280]

約数ペア:

[(1, 22626280), (2, 11313140), (4, 5656570), (5, 4525256), (8, 2828285), (10, 2262628), (20, 1131314), (31, 729880), (40, 565657), (62, 364940), (71, 318680), (124, 182470), (142, 159340), (155, 145976), (248, 91235), (257, 88040), (284, 79670), (310, 72988), (355, 63736), (514, 44020), (568, 39835), (620, 36494), (710, 31868), (1028, 22010), (1240, 18247), (1285, 17608), (1420, 15934), (2056, 11005), (2201, 10280), (2570, 8804), (2840, 7967), (4402, 5140)]