26077840

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{797}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 60855480

約数和(自身を除く): 34777640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 797, 818, 1594, 1636, 2045, 3188, 3272, 3985, 4090, 6376, 6544, 7970, 8180, 12752, 15940, 16360, 31880, 32720, 63760, 325973, 651946, 1303892, 1629865, 2607784, 3259730, 5215568, 6519460, 13038920, 26077840]

約数ペア:

[(1, 26077840), (2, 13038920), (4, 6519460), (5, 5215568), (8, 3259730), (10, 2607784), (16, 1629865), (20, 1303892), (40, 651946), (80, 325973), (409, 63760), (797, 32720), (818, 31880), (1594, 16360), (1636, 15940), (2045, 12752), (3188, 8180), (3272, 7970), (3985, 6544), (4090, 6376)]