26535920

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1233

約数の個数: 40

約数和(自身を含む): 61923120

約数和(自身を除く): 35387200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 811, 818, 1622, 1636, 2045, 3244, 3272, 4055, 4090, 6488, 6544, 8110, 8180, 12976, 16220, 16360, 32440, 32720, 64880, 331699, 663398, 1326796, 1658495, 2653592, 3316990, 5307184, 6633980, 13267960, 26535920]

約数ペア:

[(1, 26535920), (2, 13267960), (4, 6633980), (5, 5307184), (8, 3316990), (10, 2653592), (16, 1658495), (20, 1326796), (40, 663398), (80, 331699), (409, 64880), (811, 32720), (818, 32440), (1622, 16360), (1636, 16220), (2045, 12976), (3244, 8180), (3272, 8110), (4055, 6544), (4090, 6488)]