4718480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 60

約数和(自身を含む): 11913300

約数和(自身を除く): 7194820

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 349, 520, 676, 698, 845, 1040, 1352, 1396, 1690, 1745, 2704, 2792, 3380, 3490, 4537, 5584, 6760, 6980, 9074, 13520, 13960, 18148, 22685, 27920, 36296, 45370, 58981, 72592, 90740, 117962, 181480, 235924, 294905, 362960, 471848, 589810, 943696, 1179620, 2359240, 4718480]

約数ペア:

[(1, 4718480), (2, 2359240), (4, 1179620), (5, 943696), (8, 589810), (10, 471848), (13, 362960), (16, 294905), (20, 235924), (26, 181480), (40, 117962), (52, 90740), (65, 72592), (80, 58981), (104, 45370), (130, 36296), (169, 27920), (208, 22685), (260, 18148), (338, 13960), (349, 13520), (520, 9074), (676, 6980), (698, 6760), (845, 5584), (1040, 4537), (1352, 3490), (1396, 3380), (1690, 2792), (1745, 2704)]