26688640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 47338880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 223, 272, 320, 340, 352, 374, 440, 446, 544, 640, 680, 704, 748, 880, 892, 935, 1088, 1115, 1360, 1408, 1496, 1760, 1784, 1870, 2176, 2230, 2453, 2720, 2992, 3520, 3568, 3740, 3791, 4460, 4906, 5440, 5984, 7040, 7136, 7480, 7582, 8920, 9812, 10880, 11968, 12265, 14272, 14960, 15164, 17840, 18955, 19624, 23936, 24530, 28544, 29920, 30328, 35680, 37910, 39248, 41701, 49060, 59840, 60656, 71360, 75820, 78496, 83402, 98120, 119680, 121312, 142720, 151640, 156992, 166804, 196240, 208505, 242624, 303280, 313984, 333608, 392480, 417010, 485248, 606560, 667216, 784960, 834020, 1213120, 1334432, 1569920, 1668040, 2426240, 2668864, 3336080, 5337728, 6672160, 13344320, 26688640]

約数ペア:

[(1, 26688640), (2, 13344320), (4, 6672160), (5, 5337728), (8, 3336080), (10, 2668864), (11, 2426240), (16, 1668040), (17, 1569920), (20, 1334432), (22, 1213120), (32, 834020), (34, 784960), (40, 667216), (44, 606560), (55, 485248), (64, 417010), (68, 392480), (80, 333608), (85, 313984), (88, 303280), (110, 242624), (128, 208505), (136, 196240), (160, 166804), (170, 156992), (176, 151640), (187, 142720), (220, 121312), (223, 119680), (272, 98120), (320, 83402), (340, 78496), (352, 75820), (374, 71360), (440, 60656), (446, 59840), (544, 49060), (640, 41701), (680, 39248), (704, 37910), (748, 35680), (880, 30328), (892, 29920), (935, 28544), (1088, 24530), (1115, 23936), (1360, 19624), (1408, 18955), (1496, 17840), (1760, 15164), (1784, 14960), (1870, 14272), (2176, 12265), (2230, 11968), (2453, 10880), (2720, 9812), (2992, 8920), (3520, 7582), (3568, 7480), (3740, 7136), (3791, 7040), (4460, 5984), (4906, 5440)]