165265960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{133279}}^1$

素因数の和:133321

約数の個数: 32

約数和(自身を含む): 383846400

約数和(自身を除く): 218580440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 133279, 266558, 533116, 666395, 1066232, 1332790, 2665580, 4131649, 5331160, 8263298, 16526596, 20658245, 33053192, 41316490, 82632980, 165265960]

約数ペア:

[(1, 165265960), (2, 82632980), (4, 41316490), (5, 33053192), (8, 20658245), (10, 16526596), (20, 8263298), (31, 5331160), (40, 4131649), (62, 2665580), (124, 1332790), (155, 1066232), (248, 666395), (310, 533116), (620, 266558), (1240, 133279)]