100200080

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12401}}^1$

素因数の和:12515

約数の個数: 40

約数和(自身を含む): 235290744

約数和(自身を除く): 135090664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 12401, 24802, 49604, 62005, 99208, 124010, 198416, 248020, 496040, 992080, 1252501, 2505002, 5010004, 6262505, 10020008, 12525010, 20040016, 25050020, 50100040, 100200080]

約数ペア:

[(1, 100200080), (2, 50100040), (4, 25050020), (5, 20040016), (8, 12525010), (10, 10020008), (16, 6262505), (20, 5010004), (40, 2505002), (80, 1252501), (101, 992080), (202, 496040), (404, 248020), (505, 198416), (808, 124010), (1010, 99208), (1616, 62005), (2020, 49604), (4040, 24802), (8080, 12401)]