204035120

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19469}}^1$

素因数の和:19613

約数の個数: 40

約数和(自身を含む): 478027440

約数和(自身を除く): 273992320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 19469, 38938, 77876, 97345, 155752, 194690, 311504, 389380, 778760, 1557520, 2550439, 5100878, 10201756, 12752195, 20403512, 25504390, 40807024, 51008780, 102017560, 204035120]

約数ペア:

[(1, 204035120), (2, 102017560), (4, 51008780), (5, 40807024), (8, 25504390), (10, 20403512), (16, 12752195), (20, 10201756), (40, 5100878), (80, 2550439), (131, 1557520), (262, 778760), (524, 389380), (655, 311504), (1048, 194690), (1310, 155752), (2096, 97345), (2620, 77876), (5240, 38938), (10480, 19469)]