20160154720

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{402559}}^1$

素因数の和:402887

約数の個数: 48

約数和(自身を含む): 47780651520

約数和(自身を除く): 27620496800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 10016, 12520, 25040, 50080, 402559, 805118, 1610236, 2012795, 3220472, 4025590, 6440944, 8051180, 12881888, 16102360, 32204720, 64409440, 126000967, 252001934, 504003868, 630004835, 1008007736, 1260009670, 2016015472, 2520019340, 4032030944, 5040038680, 10080077360, 20160154720]

約数ペア:

[(1, 20160154720), (2, 10080077360), (4, 5040038680), (5, 4032030944), (8, 2520019340), (10, 2016015472), (16, 1260009670), (20, 1008007736), (32, 630004835), (40, 504003868), (80, 252001934), (160, 126000967), (313, 64409440), (626, 32204720), (1252, 16102360), (1565, 12881888), (2504, 8051180), (3130, 6440944), (5008, 4025590), (6260, 3220472), (10016, 2012795), (12520, 1610236), (25040, 805118), (50080, 402559)]