320361680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{75557}}^1$

素因数の和:75623

約数の個数: 40

約数和(自身を含む): 758904552

約数和(自身を除く): 438542872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 75557, 151114, 302228, 377785, 604456, 755570, 1208912, 1511140, 3022280, 4004521, 6044560, 8009042, 16018084, 20022605, 32036168, 40045210, 64072336, 80090420, 160180840, 320361680]

約数ペア:

[(1, 320361680), (2, 160180840), (4, 80090420), (5, 64072336), (8, 40045210), (10, 32036168), (16, 20022605), (20, 16018084), (40, 8009042), (53, 6044560), (80, 4004521), (106, 3022280), (212, 1511140), (265, 1208912), (424, 755570), (530, 604456), (848, 377785), (1060, 302228), (2120, 151114), (4240, 75557)]