13081120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 35138880

約数和(自身を除く): 22057760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 331, 380, 416, 494, 520, 608, 662, 760, 988, 1040, 1235, 1324, 1520, 1655, 1976, 2080, 2470, 2648, 3040, 3310, 3952, 4303, 4940, 5296, 6289, 6620, 7904, 8606, 9880, 10592, 12578, 13240, 17212, 19760, 21515, 25156, 26480, 31445, 34424, 39520, 43030, 50312, 52960, 62890, 68848, 81757, 86060, 100624, 125780, 137696, 163514, 172120, 201248, 251560, 327028, 344240, 408785, 503120, 654056, 688480, 817570, 1006240, 1308112, 1635140, 2616224, 3270280, 6540560, 13081120]

約数ペア:

[(1, 13081120), (2, 6540560), (4, 3270280), (5, 2616224), (8, 1635140), (10, 1308112), (13, 1006240), (16, 817570), (19, 688480), (20, 654056), (26, 503120), (32, 408785), (38, 344240), (40, 327028), (52, 251560), (65, 201248), (76, 172120), (80, 163514), (95, 137696), (104, 125780), (130, 100624), (152, 86060), (160, 81757), (190, 68848), (208, 62890), (247, 52960), (260, 50312), (304, 43030), (331, 39520), (380, 34424), (416, 31445), (494, 26480), (520, 25156), (608, 21515), (662, 19760), (760, 17212), (988, 13240), (1040, 12578), (1235, 10592), (1324, 9880), (1520, 8606), (1655, 7904), (1976, 6620), (2080, 6289), (2470, 5296), (2648, 4940), (3040, 4303), (3310, 3952)]