80157440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5693}}^1$

素因数の和:5725

約数の個数: 72

約数和(自身を含む): 209493648

約数和(自身を除く): 129336208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5693, 7040, 11386, 14080, 22772, 28465, 45544, 56930, 62623, 91088, 113860, 125246, 182176, 227720, 250492, 313115, 364352, 455440, 500984, 626230, 728704, 910880, 1001968, 1252460, 1457408, 1821760, 2003936, 2504920, 3643520, 4007872, 5009840, 7287040, 8015744, 10019680, 16031488, 20039360, 40078720, 80157440]

約数ペア:

[(1, 80157440), (2, 40078720), (4, 20039360), (5, 16031488), (8, 10019680), (10, 8015744), (11, 7287040), (16, 5009840), (20, 4007872), (22, 3643520), (32, 2504920), (40, 2003936), (44, 1821760), (55, 1457408), (64, 1252460), (80, 1001968), (88, 910880), (110, 728704), (128, 626230), (160, 500984), (176, 455440), (220, 364352), (256, 313115), (320, 250492), (352, 227720), (440, 182176), (640, 125246), (704, 113860), (880, 91088), (1280, 62623), (1408, 56930), (1760, 45544), (2816, 28465), (3520, 22772), (5693, 14080), (7040, 11386)]