85301840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82021}}^1$

素因数の和:82047

約数の個数: 40

約数和(自身を含む): 213585288

約数和(自身を除く): 128283448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 82021, 164042, 328084, 410105, 656168, 820210, 1066273, 1312336, 1640420, 2132546, 3280840, 4265092, 5331365, 6561680, 8530184, 10662730, 17060368, 21325460, 42650920, 85301840]

約数ペア:

[(1, 85301840), (2, 42650920), (4, 21325460), (5, 17060368), (8, 10662730), (10, 8530184), (13, 6561680), (16, 5331365), (20, 4265092), (26, 3280840), (40, 2132546), (52, 1640420), (65, 1312336), (80, 1066273), (104, 820210), (130, 656168), (208, 410105), (260, 328084), (520, 164042), (1040, 82021)]