165051440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66553}}^1$

素因数の和:66597

約数の個数: 40

約数和(自身を含む): 396129408

約数和(自身を除く): 231077968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 66553, 133106, 266212, 332765, 532424, 665530, 1064848, 1331060, 2063143, 2662120, 4126286, 5324240, 8252572, 10315715, 16505144, 20631430, 33010288, 41262860, 82525720, 165051440]

約数ペア:

[(1, 165051440), (2, 82525720), (4, 41262860), (5, 33010288), (8, 20631430), (10, 16505144), (16, 10315715), (20, 8252572), (31, 5324240), (40, 4126286), (62, 2662120), (80, 2063143), (124, 1331060), (155, 1064848), (248, 665530), (310, 532424), (496, 332765), (620, 266212), (1240, 133106), (2480, 66553)]