13122800

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:690

約数の個数: 60

約数和(自身を含む): 32174280

約数和(自身を除く): 19051480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 200, 212, 265, 400, 424, 530, 619, 848, 1060, 1238, 1325, 2120, 2476, 2650, 3095, 4240, 4952, 5300, 6190, 9904, 10600, 12380, 15475, 21200, 24760, 30950, 32807, 49520, 61900, 65614, 123800, 131228, 164035, 247600, 262456, 328070, 524912, 656140, 820175, 1312280, 1640350, 2624560, 3280700, 6561400, 13122800]

約数ペア:

[(1, 13122800), (2, 6561400), (4, 3280700), (5, 2624560), (8, 1640350), (10, 1312280), (16, 820175), (20, 656140), (25, 524912), (40, 328070), (50, 262456), (53, 247600), (80, 164035), (100, 131228), (106, 123800), (200, 65614), (212, 61900), (265, 49520), (400, 32807), (424, 30950), (530, 24760), (619, 21200), (848, 15475), (1060, 12380), (1238, 10600), (1325, 9904), (2120, 6190), (2476, 5300), (2650, 4952), (3095, 4240)]