54172520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15217}}^1$

素因数の和:15317

約数の個数: 32

約数和(自身を含む): 123265800

約数和(自身を除く): 69093280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15217, 30434, 60868, 76085, 121736, 152170, 304340, 608680, 1354313, 2708626, 5417252, 6771565, 10834504, 13543130, 27086260, 54172520]

約数ペア:

[(1, 54172520), (2, 27086260), (4, 13543130), (5, 10834504), (8, 6771565), (10, 5417252), (20, 2708626), (40, 1354313), (89, 608680), (178, 304340), (356, 152170), (445, 121736), (712, 76085), (890, 60868), (1780, 30434), (3560, 15217)]