16115560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3989}}^1$

素因数の和:4101

約数の個数: 32

約数和(自身を含む): 36628200

約数和(自身を除く): 20512640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3989, 4040, 7978, 15956, 19945, 31912, 39890, 79780, 159560, 402889, 805778, 1611556, 2014445, 3223112, 4028890, 8057780, 16115560]

約数ペア:

[(1, 16115560), (2, 8057780), (4, 4028890), (5, 3223112), (8, 2014445), (10, 1611556), (20, 805778), (40, 402889), (101, 159560), (202, 79780), (404, 39890), (505, 31912), (808, 19945), (1010, 15956), (2020, 7978), (3989, 4040)]