828005240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{4951}}^1$

素因数の和:5112

約数の個数: 64

約数和(自身を含む): 1930685760

約数和(自身を除く): 1102680520

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 185, 226, 296, 370, 452, 565, 740, 904, 1130, 1480, 2260, 4181, 4520, 4951, 8362, 9902, 16724, 19804, 20905, 24755, 33448, 39608, 41810, 49510, 83620, 99020, 167240, 183187, 198040, 366374, 559463, 732748, 915935, 1118926, 1465496, 1831870, 2237852, 2797315, 3663740, 4475704, 5594630, 7327480, 11189260, 20700131, 22378520, 41400262, 82800524, 103500655, 165601048, 207001310, 414002620, 828005240]

約数ペア:

[(1, 828005240), (2, 414002620), (4, 207001310), (5, 165601048), (8, 103500655), (10, 82800524), (20, 41400262), (37, 22378520), (40, 20700131), (74, 11189260), (113, 7327480), (148, 5594630), (185, 4475704), (226, 3663740), (296, 2797315), (370, 2237852), (452, 1831870), (565, 1465496), (740, 1118926), (904, 915935), (1130, 732748), (1480, 559463), (2260, 366374), (4181, 198040), (4520, 183187), (4951, 167240), (8362, 99020), (9902, 83620), (16724, 49510), (19804, 41810), (20905, 39608), (24755, 33448)]