164184280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{315739}}^1$

素因数の和:315763

約数の個数: 32

約数和(自身を含む): 397832400

約数和(自身を除く): 233648120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 315739, 631478, 1262956, 1578695, 2525912, 3157390, 4104607, 6314780, 8209214, 12629560, 16418428, 20523035, 32836856, 41046070, 82092140, 164184280]

約数ペア:

[(1, 164184280), (2, 82092140), (4, 41046070), (5, 32836856), (8, 20523035), (10, 16418428), (13, 12629560), (20, 8209214), (26, 6314780), (40, 4104607), (52, 3157390), (65, 2525912), (104, 1578695), (130, 1262956), (260, 631478), (520, 315739)]