47820280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 112176000

約数和(自身を除く): 64355720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 409, 632, 740, 790, 818, 1480, 1580, 1636, 2045, 2923, 3160, 3272, 4090, 5846, 8180, 11692, 14615, 15133, 16360, 23384, 29230, 30266, 32311, 58460, 60532, 64622, 75665, 116920, 121064, 129244, 151330, 161555, 258488, 302660, 323110, 605320, 646220, 1195507, 1292440, 2391014, 4782028, 5977535, 9564056, 11955070, 23910140, 47820280]

約数ペア:

[(1, 47820280), (2, 23910140), (4, 11955070), (5, 9564056), (8, 5977535), (10, 4782028), (20, 2391014), (37, 1292440), (40, 1195507), (74, 646220), (79, 605320), (148, 323110), (158, 302660), (185, 258488), (296, 161555), (316, 151330), (370, 129244), (395, 121064), (409, 116920), (632, 75665), (740, 64622), (790, 60532), (818, 58460), (1480, 32311), (1580, 30266), (1636, 29230), (2045, 23384), (2923, 16360), (3160, 15133), (3272, 14615), (4090, 11692), (5846, 8180)]