129625840

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11657}}^1$

素因数の和:11809

約数の個数: 40

約数和(自身を含む): 303574320

約数和(自身を除く): 173948480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 11657, 23314, 46628, 58285, 93256, 116570, 186512, 233140, 466280, 932560, 1620323, 3240646, 6481292, 8101615, 12962584, 16203230, 25925168, 32406460, 64812920, 129625840]

約数ペア:

[(1, 129625840), (2, 64812920), (4, 32406460), (5, 25925168), (8, 16203230), (10, 12962584), (16, 8101615), (20, 6481292), (40, 3240646), (80, 1620323), (139, 932560), (278, 466280), (556, 233140), (695, 186512), (1112, 116570), (1390, 93256), (2224, 58285), (2780, 46628), (5560, 23314), (11120, 11657)]