13317040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 34774560

約数和(自身を除く): 21457520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 409, 440, 592, 740, 814, 818, 880, 1480, 1628, 1636, 2035, 2045, 2960, 3256, 3272, 4070, 4090, 4499, 6512, 6544, 8140, 8180, 8998, 15133, 16280, 16360, 17996, 22495, 30266, 32560, 32720, 35992, 44990, 60532, 71984, 75665, 89980, 121064, 151330, 166463, 179960, 242128, 302660, 332926, 359920, 605320, 665852, 832315, 1210640, 1331704, 1664630, 2663408, 3329260, 6658520, 13317040]

約数ペア:

[(1, 13317040), (2, 6658520), (4, 3329260), (5, 2663408), (8, 1664630), (10, 1331704), (11, 1210640), (16, 832315), (20, 665852), (22, 605320), (37, 359920), (40, 332926), (44, 302660), (55, 242128), (74, 179960), (80, 166463), (88, 151330), (110, 121064), (148, 89980), (176, 75665), (185, 71984), (220, 60532), (296, 44990), (370, 35992), (407, 32720), (409, 32560), (440, 30266), (592, 22495), (740, 17996), (814, 16360), (818, 16280), (880, 15133), (1480, 8998), (1628, 8180), (1636, 8140), (2035, 6544), (2045, 6512), (2960, 4499), (3256, 4090), (3272, 4070)]