87360920

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2693}}^1$

素因数の和:3515

約数の個数: 32

約数和(自身を含む): 196877520

約数和(自身を除く): 109516600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2693, 3244, 4055, 5386, 6488, 8110, 10772, 13465, 16220, 21544, 26930, 32440, 53860, 107720, 2184023, 4368046, 8736092, 10920115, 17472184, 21840230, 43680460, 87360920]

約数ペア:

[(1, 87360920), (2, 43680460), (4, 21840230), (5, 17472184), (8, 10920115), (10, 8736092), (20, 4368046), (40, 2184023), (811, 107720), (1622, 53860), (2693, 32440), (3244, 26930), (4055, 21544), (5386, 16220), (6488, 13465), (8110, 10772)]