51745720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:736

約数の個数: 64

約数和(自身を含む): 126282240

約数和(自身を除く): 74536520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 382, 520, 521, 764, 955, 1042, 1528, 1910, 2084, 2483, 2605, 3820, 4168, 4966, 5210, 6773, 7640, 9932, 10420, 12415, 13546, 19864, 20840, 24830, 27092, 33865, 49660, 54184, 67730, 99320, 99511, 135460, 199022, 270920, 398044, 497555, 796088, 995110, 1293643, 1990220, 2587286, 3980440, 5174572, 6468215, 10349144, 12936430, 25872860, 51745720]

約数ペア:

[(1, 51745720), (2, 25872860), (4, 12936430), (5, 10349144), (8, 6468215), (10, 5174572), (13, 3980440), (20, 2587286), (26, 1990220), (40, 1293643), (52, 995110), (65, 796088), (104, 497555), (130, 398044), (191, 270920), (260, 199022), (382, 135460), (520, 99511), (521, 99320), (764, 67730), (955, 54184), (1042, 49660), (1528, 33865), (1910, 27092), (2084, 24830), (2483, 20840), (2605, 19864), (3820, 13546), (4168, 12415), (4966, 10420), (5210, 9932), (6773, 7640)]