55142480

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1439}}^1$

素因数の和:1931

約数の個数: 40

約数和(自身を含む): 128563200

約数和(自身を除く): 73420720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1439, 1916, 2395, 2878, 3832, 4790, 5756, 7195, 7664, 9580, 11512, 14390, 19160, 23024, 28780, 38320, 57560, 115120, 689281, 1378562, 2757124, 3446405, 5514248, 6892810, 11028496, 13785620, 27571240, 55142480]

約数ペア:

[(1, 55142480), (2, 27571240), (4, 13785620), (5, 11028496), (8, 6892810), (10, 5514248), (16, 3446405), (20, 2757124), (40, 1378562), (80, 689281), (479, 115120), (958, 57560), (1439, 38320), (1916, 28780), (2395, 23024), (2878, 19160), (3832, 14390), (4790, 11512), (5756, 9580), (7195, 7664)]