5519540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 13281408

約数和(自身を除く): 7761868

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 71, 92, 115, 130, 142, 169, 230, 260, 284, 299, 338, 355, 460, 598, 676, 710, 845, 923, 1196, 1420, 1495, 1633, 1690, 1846, 2990, 3266, 3380, 3692, 3887, 4615, 5980, 6532, 7774, 8165, 9230, 11999, 15548, 16330, 18460, 19435, 21229, 23998, 32660, 38870, 42458, 47996, 59995, 77740, 84916, 106145, 119990, 212290, 239980, 275977, 424580, 551954, 1103908, 1379885, 2759770, 5519540]

約数ペア:

[(1, 5519540), (2, 2759770), (4, 1379885), (5, 1103908), (10, 551954), (13, 424580), (20, 275977), (23, 239980), (26, 212290), (46, 119990), (52, 106145), (65, 84916), (71, 77740), (92, 59995), (115, 47996), (130, 42458), (142, 38870), (169, 32660), (230, 23998), (260, 21229), (284, 19435), (299, 18460), (338, 16330), (355, 15548), (460, 11999), (598, 9230), (676, 8165), (710, 7774), (845, 6532), (923, 5980), (1196, 4615), (1420, 3887), (1495, 3692), (1633, 3380), (1690, 3266), (1846, 2990)]