427588720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{411143}}^1$

素因数の和:411169

約数の個数: 40

約数和(自身を含む): 1070618976

約数和(自身を除く): 643030256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 411143, 822286, 1644572, 2055715, 3289144, 4111430, 5344859, 6578288, 8222860, 10689718, 16445720, 21379436, 26724295, 32891440, 42758872, 53448590, 85517744, 106897180, 213794360, 427588720]

約数ペア:

[(1, 427588720), (2, 213794360), (4, 106897180), (5, 85517744), (8, 53448590), (10, 42758872), (13, 32891440), (16, 26724295), (20, 21379436), (26, 16445720), (40, 10689718), (52, 8222860), (65, 6578288), (80, 5344859), (104, 4111430), (130, 3289144), (208, 2055715), (260, 1644572), (520, 822286), (1040, 411143)]