1108640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 2905308

約数和(自身を除く): 1796668

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 169, 205, 208, 260, 328, 338, 410, 416, 520, 533, 656, 676, 820, 845, 1040, 1066, 1312, 1352, 1640, 1690, 2080, 2132, 2665, 2704, 3280, 3380, 4264, 5330, 5408, 6560, 6760, 6929, 8528, 10660, 13520, 13858, 17056, 21320, 27040, 27716, 34645, 42640, 55432, 69290, 85280, 110864, 138580, 221728, 277160, 554320, 1108640]

約数ペア:

[(1, 1108640), (2, 554320), (4, 277160), (5, 221728), (8, 138580), (10, 110864), (13, 85280), (16, 69290), (20, 55432), (26, 42640), (32, 34645), (40, 27716), (41, 27040), (52, 21320), (65, 17056), (80, 13858), (82, 13520), (104, 10660), (130, 8528), (160, 6929), (164, 6760), (169, 6560), (205, 5408), (208, 5330), (260, 4264), (328, 3380), (338, 3280), (410, 2704), (416, 2665), (520, 2132), (533, 2080), (656, 1690), (676, 1640), (820, 1352), (845, 1312), (1040, 1066)]