28204480

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1733

約数の個数: 56

約数和(自身を含む): 68470272

約数和(自身を除く): 40265792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1663, 1696, 2120, 3326, 3392, 4240, 6652, 8315, 8480, 13304, 16630, 16960, 26608, 33260, 53216, 66520, 88139, 106432, 133040, 176278, 266080, 352556, 440695, 532160, 705112, 881390, 1410224, 1762780, 2820448, 3525560, 5640896, 7051120, 14102240, 28204480]

約数ペア:

[(1, 28204480), (2, 14102240), (4, 7051120), (5, 5640896), (8, 3525560), (10, 2820448), (16, 1762780), (20, 1410224), (32, 881390), (40, 705112), (53, 532160), (64, 440695), (80, 352556), (106, 266080), (160, 176278), (212, 133040), (265, 106432), (320, 88139), (424, 66520), (530, 53216), (848, 33260), (1060, 26608), (1663, 16960), (1696, 16630), (2120, 13304), (3326, 8480), (3392, 8315), (4240, 6652)]