2018804960

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{70489}}^1$

素因数の和:70683

約数の個数: 48

約数和(自身を含む): 4796139600

約数和(自身を除く): 2777334640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5728, 7160, 14320, 28640, 70489, 140978, 281956, 352445, 563912, 704890, 1127824, 1409780, 2255648, 2819560, 5639120, 11278240, 12617531, 25235062, 50470124, 63087655, 100940248, 126175310, 201880496, 252350620, 403760992, 504701240, 1009402480, 2018804960]

約数ペア:

[(1, 2018804960), (2, 1009402480), (4, 504701240), (5, 403760992), (8, 252350620), (10, 201880496), (16, 126175310), (20, 100940248), (32, 63087655), (40, 50470124), (80, 25235062), (160, 12617531), (179, 11278240), (358, 5639120), (716, 2819560), (895, 2255648), (1432, 1409780), (1790, 1127824), (2864, 704890), (3580, 563912), (5728, 352445), (7160, 281956), (14320, 140978), (28640, 70489)]