15656875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 22042944

約数和(自身を除く): 6386069

約数列:

[1, 5, 13, 25, 41, 47, 65, 125, 205, 235, 325, 533, 611, 625, 1025, 1175, 1625, 1927, 2665, 3055, 5125, 5875, 8125, 9635, 13325, 15275, 25051, 25625, 29375, 48175, 66625, 76375, 125255, 240875, 333125, 381875, 626275, 1204375, 3131375, 15656875]

約数ペア:

[(1, 15656875), (5, 3131375), (13, 1204375), (25, 626275), (41, 381875), (47, 333125), (65, 240875), (125, 125255), (205, 76375), (235, 66625), (325, 48175), (533, 29375), (611, 25625), (625, 25051), (1025, 15275), (1175, 13325), (1625, 9635), (1927, 8125), (2665, 5875), (3055, 5125)]