89280880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{85847}}^1$

素因数の和:85873

約数の個数: 40

約数和(自身を含む): 223548192

約数和(自身を除く): 134267312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 85847, 171694, 343388, 429235, 686776, 858470, 1116011, 1373552, 1716940, 2232022, 3433880, 4464044, 5580055, 6867760, 8928088, 11160110, 17856176, 22320220, 44640440, 89280880]

約数ペア:

[(1, 89280880), (2, 44640440), (4, 22320220), (5, 17856176), (8, 11160110), (10, 8928088), (13, 6867760), (16, 5580055), (20, 4464044), (26, 3433880), (40, 2232022), (52, 1716940), (65, 1373552), (80, 1116011), (104, 858470), (130, 686776), (208, 429235), (260, 343388), (520, 171694), (1040, 85847)]