40309750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 82817280

約数和(自身を除く): 42507530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 125, 130, 157, 158, 250, 314, 325, 395, 650, 785, 790, 1027, 1570, 1625, 1975, 2041, 2054, 3250, 3925, 3950, 4082, 5135, 7850, 9875, 10205, 10270, 12403, 19625, 19750, 20410, 24806, 25675, 39250, 51025, 51350, 62015, 102050, 124030, 128375, 161239, 255125, 256750, 310075, 322478, 510250, 620150, 806195, 1550375, 1612390, 3100750, 4030975, 8061950, 20154875, 40309750]

約数ペア:

[(1, 40309750), (2, 20154875), (5, 8061950), (10, 4030975), (13, 3100750), (25, 1612390), (26, 1550375), (50, 806195), (65, 620150), (79, 510250), (125, 322478), (130, 310075), (157, 256750), (158, 255125), (250, 161239), (314, 128375), (325, 124030), (395, 102050), (650, 62015), (785, 51350), (790, 51025), (1027, 39250), (1570, 25675), (1625, 24806), (1975, 20410), (2041, 19750), (2054, 19625), (3250, 12403), (3925, 10270), (3950, 10205), (4082, 9875), (5135, 7850)]