12644840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24317}}^1$

素因数の和:24341

約数の個数: 32

約数和(自身を含む): 30640680

約数和(自身を除く): 17995840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24317, 48634, 97268, 121585, 194536, 243170, 316121, 486340, 632242, 972680, 1264484, 1580605, 2528968, 3161210, 6322420, 12644840]

約数ペア:

[(1, 12644840), (2, 6322420), (4, 3161210), (5, 2528968), (8, 1580605), (10, 1264484), (13, 972680), (20, 632242), (26, 486340), (40, 316121), (52, 243170), (65, 194536), (104, 121585), (130, 97268), (260, 48634), (520, 24317)]