21749600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:928

約数の個数: 72

約数和(自身を含む): 54871488

約数和(自身を除く): 33121888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 877, 992, 1240, 1550, 1754, 2480, 3100, 3508, 4385, 4960, 6200, 7016, 8770, 12400, 14032, 17540, 21925, 24800, 27187, 28064, 35080, 43850, 54374, 70160, 87700, 108748, 135935, 140320, 175400, 217496, 271870, 350800, 434992, 543740, 679675, 701600, 869984, 1087480, 1359350, 2174960, 2718700, 4349920, 5437400, 10874800, 21749600]

約数ペア:

[(1, 21749600), (2, 10874800), (4, 5437400), (5, 4349920), (8, 2718700), (10, 2174960), (16, 1359350), (20, 1087480), (25, 869984), (31, 701600), (32, 679675), (40, 543740), (50, 434992), (62, 350800), (80, 271870), (100, 217496), (124, 175400), (155, 140320), (160, 135935), (200, 108748), (248, 87700), (310, 70160), (400, 54374), (496, 43850), (620, 35080), (775, 28064), (800, 27187), (877, 24800), (992, 21925), (1240, 17540), (1550, 14032), (1754, 12400), (2480, 8770), (3100, 7016), (3508, 6200), (4385, 4960)]