12725375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 17611776

約数和(自身を除く): 4886401

約数列:

[1, 5, 13, 25, 41, 65, 125, 191, 205, 325, 533, 955, 1025, 1625, 2483, 2665, 4775, 5125, 7831, 12415, 13325, 23875, 39155, 62075, 66625, 101803, 195775, 310375, 509015, 978875, 2545075, 12725375]

約数ペア:

[(1, 12725375), (5, 2545075), (13, 978875), (25, 509015), (41, 310375), (65, 195775), (125, 101803), (191, 66625), (205, 62075), (325, 39155), (533, 23875), (955, 13325), (1025, 12415), (1625, 7831), (2483, 5125), (2665, 4775)]