51293680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 126759744

約数和(自身を除く): 75466064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 61, 80, 92, 115, 122, 184, 230, 244, 305, 368, 457, 460, 488, 610, 914, 920, 976, 1220, 1403, 1828, 1840, 2285, 2440, 2806, 3656, 4570, 4880, 5612, 7015, 7312, 9140, 10511, 11224, 14030, 18280, 21022, 22448, 27877, 28060, 36560, 42044, 52555, 55754, 56120, 84088, 105110, 111508, 112240, 139385, 168176, 210220, 223016, 278770, 420440, 446032, 557540, 641171, 840880, 1115080, 1282342, 2230160, 2564684, 3205855, 5129368, 6411710, 10258736, 12823420, 25646840, 51293680]

約数ペア:

[(1, 51293680), (2, 25646840), (4, 12823420), (5, 10258736), (8, 6411710), (10, 5129368), (16, 3205855), (20, 2564684), (23, 2230160), (40, 1282342), (46, 1115080), (61, 840880), (80, 641171), (92, 557540), (115, 446032), (122, 420440), (184, 278770), (230, 223016), (244, 210220), (305, 168176), (368, 139385), (457, 112240), (460, 111508), (488, 105110), (610, 84088), (914, 56120), (920, 55754), (976, 52555), (1220, 42044), (1403, 36560), (1828, 28060), (1840, 27877), (2285, 22448), (2440, 21022), (2806, 18280), (3656, 14030), (4570, 11224), (4880, 10511), (5612, 9140), (7015, 7312)]