12995600

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:684

約数の個数: 60

約数和(自身を含む): 31862916

約数和(自身を除く): 18867316

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 613, 848, 1060, 1226, 1325, 2120, 2452, 2650, 3065, 4240, 4904, 5300, 6130, 9808, 10600, 12260, 15325, 21200, 24520, 30650, 32489, 49040, 61300, 64978, 122600, 129956, 162445, 245200, 259912, 324890, 519824, 649780, 812225, 1299560, 1624450, 2599120, 3248900, 6497800, 12995600]

約数ペア:

[(1, 12995600), (2, 6497800), (4, 3248900), (5, 2599120), (8, 1624450), (10, 1299560), (16, 812225), (20, 649780), (25, 519824), (40, 324890), (50, 259912), (53, 245200), (80, 162445), (100, 129956), (106, 122600), (200, 64978), (212, 61300), (265, 49040), (400, 32489), (424, 30650), (530, 24520), (613, 21200), (848, 15325), (1060, 12260), (1226, 10600), (1325, 9808), (2120, 6130), (2452, 5300), (2650, 4904), (3065, 4240)]