87205420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1877}}^1$

素因数の和:2010

約数の個数: 48

約数和(自身を含む): 193088448

約数和(自身を除く): 105883028

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 1010, 1877, 2020, 2323, 3754, 4646, 7508, 9292, 9385, 11615, 18770, 23230, 37540, 43171, 46460, 86342, 172684, 189577, 215855, 379154, 431710, 758308, 863420, 947885, 1895770, 3791540, 4360271, 8720542, 17441084, 21801355, 43602710, 87205420]

約数ペア:

[(1, 87205420), (2, 43602710), (4, 21801355), (5, 17441084), (10, 8720542), (20, 4360271), (23, 3791540), (46, 1895770), (92, 947885), (101, 863420), (115, 758308), (202, 431710), (230, 379154), (404, 215855), (460, 189577), (505, 172684), (1010, 86342), (1877, 46460), (2020, 43171), (2323, 37540), (3754, 23230), (4646, 18770), (7508, 11615), (9292, 9385)]