1259772020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{103091}}^1$

素因数の和:103160

約数の個数: 48

約数和(自身を含む): 2909668608

約数和(自身を除く): 1649896588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 103091, 206182, 412364, 515455, 1030910, 1340183, 2061820, 2680366, 4845277, 5360732, 6700915, 9690554, 13401830, 19381108, 24226385, 26803660, 48452770, 62988601, 96905540, 125977202, 251954404, 314943005, 629886010, 1259772020]

約数ペア:

[(1, 1259772020), (2, 629886010), (4, 314943005), (5, 251954404), (10, 125977202), (13, 96905540), (20, 62988601), (26, 48452770), (47, 26803660), (52, 24226385), (65, 19381108), (94, 13401830), (130, 9690554), (188, 6700915), (235, 5360732), (260, 4845277), (470, 2680366), (611, 2061820), (940, 1340183), (1222, 1030910), (2444, 515455), (3055, 412364), (6110, 206182), (12220, 103091)]