407048156920

素因数分解:

$2^3\times 5^1\times {\mathrm{40099}}^1\times {\mathrm{253777}}^1$

素因数の和:293887

約数の個数: 32

約数和(自身を含む): 915884802000

約数和(自身を除く): 508836645080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 40099, 80198, 160396, 200495, 253777, 320792, 400990, 507554, 801980, 1015108, 1268885, 1603960, 2030216, 2537770, 5075540, 10151080, 10176203923, 20352407846, 40704815692, 50881019615, 81409631384, 101762039230, 203524078460, 407048156920]

約数ペア:

[(1, 407048156920), (2, 203524078460), (4, 101762039230), (5, 81409631384), (8, 50881019615), (10, 40704815692), (20, 20352407846), (40, 10176203923), (40099, 10151080), (80198, 5075540), (160396, 2537770), (200495, 2030216), (253777, 1603960), (320792, 1268885), (400990, 1015108), (507554, 801980)]