836077840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{803921}}^1$

素因数の和:803947

約数の個数: 40

約数和(自身を含む): 2093412888

約数和(自身を除く): 1257335048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 803921, 1607842, 3215684, 4019605, 6431368, 8039210, 10450973, 12862736, 16078420, 20901946, 32156840, 41803892, 52254865, 64313680, 83607784, 104509730, 167215568, 209019460, 418038920, 836077840]

約数ペア:

[(1, 836077840), (2, 418038920), (4, 209019460), (5, 167215568), (8, 104509730), (10, 83607784), (13, 64313680), (16, 52254865), (20, 41803892), (26, 32156840), (40, 20901946), (52, 16078420), (65, 12862736), (80, 10450973), (104, 8039210), (130, 6431368), (208, 4019605), (260, 3215684), (520, 1607842), (1040, 803921)]