51108640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 133902720

約数和(自身を除く): 82794080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 142, 160, 176, 220, 284, 352, 355, 409, 440, 568, 710, 781, 818, 880, 1136, 1420, 1562, 1636, 1760, 2045, 2272, 2840, 3124, 3272, 3905, 4090, 4499, 5680, 6248, 6544, 7810, 8180, 8998, 11360, 12496, 13088, 15620, 16360, 17996, 22495, 24992, 29039, 31240, 32720, 35992, 44990, 58078, 62480, 65440, 71984, 89980, 116156, 124960, 143968, 145195, 179960, 232312, 290390, 319429, 359920, 464624, 580780, 638858, 719840, 929248, 1161560, 1277716, 1597145, 2323120, 2555432, 3194290, 4646240, 5110864, 6388580, 10221728, 12777160, 25554320, 51108640]

約数ペア:

[(1, 51108640), (2, 25554320), (4, 12777160), (5, 10221728), (8, 6388580), (10, 5110864), (11, 4646240), (16, 3194290), (20, 2555432), (22, 2323120), (32, 1597145), (40, 1277716), (44, 1161560), (55, 929248), (71, 719840), (80, 638858), (88, 580780), (110, 464624), (142, 359920), (160, 319429), (176, 290390), (220, 232312), (284, 179960), (352, 145195), (355, 143968), (409, 124960), (440, 116156), (568, 89980), (710, 71984), (781, 65440), (818, 62480), (880, 58078), (1136, 44990), (1420, 35992), (1562, 32720), (1636, 31240), (1760, 29039), (2045, 24992), (2272, 22495), (2840, 17996), (3124, 16360), (3272, 15620), (3905, 13088), (4090, 12496), (4499, 11360), (5680, 8998), (6248, 8180), (6544, 7810)]