31460780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5261}}^1$

素因数の和:5306

約数の個数: 48

約数和(自身を含む): 74257344

約数和(自身を除く): 42796564

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5261, 5980, 10522, 21044, 26305, 52610, 68393, 105220, 121003, 136786, 242006, 273572, 341965, 484012, 605015, 683930, 1210030, 1367860, 1573039, 2420060, 3146078, 6292156, 7865195, 15730390, 31460780]

約数ペア:

[(1, 31460780), (2, 15730390), (4, 7865195), (5, 6292156), (10, 3146078), (13, 2420060), (20, 1573039), (23, 1367860), (26, 1210030), (46, 683930), (52, 605015), (65, 484012), (92, 341965), (115, 273572), (130, 242006), (230, 136786), (260, 121003), (299, 105220), (460, 68393), (598, 52610), (1196, 26305), (1495, 21044), (2990, 10522), (5261, 5980)]