209032640

素因数分解:

$2^6\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1249}}^1$

素因数の和:1789

約数の個数: 56

約数和(自身を含む): 499110000

約数和(自身を除く): 290077360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 523, 1046, 1249, 2092, 2498, 2615, 4184, 4996, 5230, 6245, 8368, 9992, 10460, 12490, 16736, 19984, 20920, 24980, 33472, 39968, 41840, 49960, 79936, 83680, 99920, 167360, 199840, 399680, 653227, 1306454, 2612908, 3266135, 5225816, 6532270, 10451632, 13064540, 20903264, 26129080, 41806528, 52258160, 104516320, 209032640]

約数ペア:

[(1, 209032640), (2, 104516320), (4, 52258160), (5, 41806528), (8, 26129080), (10, 20903264), (16, 13064540), (20, 10451632), (32, 6532270), (40, 5225816), (64, 3266135), (80, 2612908), (160, 1306454), (320, 653227), (523, 399680), (1046, 199840), (1249, 167360), (2092, 99920), (2498, 83680), (2615, 79936), (4184, 49960), (4996, 41840), (5230, 39968), (6245, 33472), (8368, 24980), (9992, 20920), (10460, 19984), (12490, 16736)]