164741440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16607}}^1$

素因数の和:16655

約数の個数: 56

約数和(自身を含む): 404969472

約数和(自身を除く): 240228032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 16607, 33214, 66428, 83035, 132856, 166070, 265712, 332140, 514817, 531424, 664280, 1029634, 1062848, 1328560, 2059268, 2574085, 2657120, 4118536, 5148170, 5314240, 8237072, 10296340, 16474144, 20592680, 32948288, 41185360, 82370720, 164741440]

約数ペア:

[(1, 164741440), (2, 82370720), (4, 41185360), (5, 32948288), (8, 20592680), (10, 16474144), (16, 10296340), (20, 8237072), (31, 5314240), (32, 5148170), (40, 4118536), (62, 2657120), (64, 2574085), (80, 2059268), (124, 1328560), (155, 1062848), (160, 1029634), (248, 664280), (310, 531424), (320, 514817), (496, 332140), (620, 265712), (992, 166070), (1240, 132856), (1984, 83035), (2480, 66428), (4960, 33214), (9920, 16607)]