15750020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5507}}^1$

素因数の和:5540

約数の個数: 48

約数和(自身を含む): 38864448

約数和(自身を除く): 23114428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 5507, 11014, 22028, 27535, 55070, 60577, 71591, 110140, 121154, 143182, 242308, 286364, 302885, 357955, 605770, 715910, 787501, 1211540, 1431820, 1575002, 3150004, 3937505, 7875010, 15750020]

約数ペア:

[(1, 15750020), (2, 7875010), (4, 3937505), (5, 3150004), (10, 1575002), (11, 1431820), (13, 1211540), (20, 787501), (22, 715910), (26, 605770), (44, 357955), (52, 302885), (55, 286364), (65, 242308), (110, 143182), (130, 121154), (143, 110140), (220, 71591), (260, 60577), (286, 55070), (572, 27535), (715, 22028), (1430, 11014), (2860, 5507)]