79944800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7687}}^1$

素因数の和:7720

約数の個数: 72

約数和(自身を含む): 210205296

約数和(自身を除く): 130260496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 7687, 10400, 15374, 30748, 38435, 61496, 76870, 99931, 122992, 153740, 192175, 199862, 245984, 307480, 384350, 399724, 499655, 614960, 768700, 799448, 999310, 1229920, 1537400, 1598896, 1998620, 2498275, 3074800, 3197792, 3997240, 4996550, 6149600, 7994480, 9993100, 15988960, 19986200, 39972400, 79944800]

約数ペア:

[(1, 79944800), (2, 39972400), (4, 19986200), (5, 15988960), (8, 9993100), (10, 7994480), (13, 6149600), (16, 4996550), (20, 3997240), (25, 3197792), (26, 3074800), (32, 2498275), (40, 1998620), (50, 1598896), (52, 1537400), (65, 1229920), (80, 999310), (100, 799448), (104, 768700), (130, 614960), (160, 499655), (200, 399724), (208, 384350), (260, 307480), (325, 245984), (400, 199862), (416, 192175), (520, 153740), (650, 122992), (800, 99931), (1040, 76870), (1300, 61496), (2080, 38435), (2600, 30748), (5200, 15374), (7687, 10400)]