15712580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 35825664

約数和(自身を除く): 20113084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 271, 446, 542, 892, 1084, 1115, 1355, 2230, 2710, 2899, 3523, 4460, 5420, 5798, 7046, 11596, 14092, 14495, 17615, 28990, 35230, 57980, 60433, 70460, 120866, 241732, 302165, 604330, 785629, 1208660, 1571258, 3142516, 3928145, 7856290, 15712580]

約数ペア:

[(1, 15712580), (2, 7856290), (4, 3928145), (5, 3142516), (10, 1571258), (13, 1208660), (20, 785629), (26, 604330), (52, 302165), (65, 241732), (130, 120866), (223, 70460), (260, 60433), (271, 57980), (446, 35230), (542, 28990), (892, 17615), (1084, 14495), (1115, 14092), (1355, 11596), (2230, 7046), (2710, 5798), (2899, 5420), (3523, 4460)]