27213680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 68995584

約数和(自身を除く): 41781904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 191, 208, 260, 274, 382, 520, 548, 685, 764, 955, 1040, 1096, 1370, 1528, 1781, 1910, 2192, 2483, 2740, 3056, 3562, 3820, 4966, 5480, 7124, 7640, 8905, 9932, 10960, 12415, 14248, 15280, 17810, 19864, 24830, 26167, 28496, 35620, 39728, 49660, 52334, 71240, 99320, 104668, 130835, 142480, 198640, 209336, 261670, 340171, 418672, 523340, 680342, 1046680, 1360684, 1700855, 2093360, 2721368, 3401710, 5442736, 6803420, 13606840, 27213680]

約数ペア:

[(1, 27213680), (2, 13606840), (4, 6803420), (5, 5442736), (8, 3401710), (10, 2721368), (13, 2093360), (16, 1700855), (20, 1360684), (26, 1046680), (40, 680342), (52, 523340), (65, 418672), (80, 340171), (104, 261670), (130, 209336), (137, 198640), (191, 142480), (208, 130835), (260, 104668), (274, 99320), (382, 71240), (520, 52334), (548, 49660), (685, 39728), (764, 35620), (955, 28496), (1040, 26167), (1096, 24830), (1370, 19864), (1528, 17810), (1781, 15280), (1910, 14248), (2192, 12415), (2483, 10960), (2740, 9932), (3056, 8905), (3562, 7640), (3820, 7124), (4966, 5480)]