40070680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 97796160

約数和(自身を除く): 57725480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 293, 520, 526, 586, 1052, 1172, 1315, 1465, 2104, 2344, 2630, 2930, 3419, 3809, 5260, 5860, 6838, 7618, 10520, 11720, 13676, 15236, 17095, 19045, 27352, 30472, 34190, 38090, 68380, 76180, 77059, 136760, 152360, 154118, 308236, 385295, 616472, 770590, 1001767, 1541180, 2003534, 3082360, 4007068, 5008835, 8014136, 10017670, 20035340, 40070680]

約数ペア:

[(1, 40070680), (2, 20035340), (4, 10017670), (5, 8014136), (8, 5008835), (10, 4007068), (13, 3082360), (20, 2003534), (26, 1541180), (40, 1001767), (52, 770590), (65, 616472), (104, 385295), (130, 308236), (260, 154118), (263, 152360), (293, 136760), (520, 77059), (526, 76180), (586, 68380), (1052, 38090), (1172, 34190), (1315, 30472), (1465, 27352), (2104, 19045), (2344, 17095), (2630, 15236), (2930, 13676), (3419, 11720), (3809, 10520), (5260, 7618), (5860, 6838)]