203437120

素因数分解:

$2^6\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1249}}^1$

素因数の和:1775

約数の個数: 56

約数和(自身を含む): 485775000

約数和(自身を除く): 282337880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 509, 1018, 1249, 2036, 2498, 2545, 4072, 4996, 5090, 6245, 8144, 9992, 10180, 12490, 16288, 19984, 20360, 24980, 32576, 39968, 40720, 49960, 79936, 81440, 99920, 162880, 199840, 399680, 635741, 1271482, 2542964, 3178705, 5085928, 6357410, 10171856, 12714820, 20343712, 25429640, 40687424, 50859280, 101718560, 203437120]

約数ペア:

[(1, 203437120), (2, 101718560), (4, 50859280), (5, 40687424), (8, 25429640), (10, 20343712), (16, 12714820), (20, 10171856), (32, 6357410), (40, 5085928), (64, 3178705), (80, 2542964), (160, 1271482), (320, 635741), (509, 399680), (1018, 199840), (1249, 162880), (2036, 99920), (2498, 81440), (2545, 79936), (4072, 49960), (4996, 40720), (5090, 39968), (6245, 32576), (8144, 24980), (9992, 20360), (10180, 19984), (12490, 16288)]