79470040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2281}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 195521760

約数和(自身を除く): 116051720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2281, 2680, 3484, 4355, 4562, 6968, 8710, 9124, 11405, 17420, 18248, 22810, 29653, 34840, 45620, 59306, 91240, 118612, 148265, 152827, 237224, 296530, 305654, 593060, 611308, 764135, 1186120, 1222616, 1528270, 1986751, 3056540, 3973502, 6113080, 7947004, 9933755, 15894008, 19867510, 39735020, 79470040]

約数ペア:

[(1, 79470040), (2, 39735020), (4, 19867510), (5, 15894008), (8, 9933755), (10, 7947004), (13, 6113080), (20, 3973502), (26, 3056540), (40, 1986751), (52, 1528270), (65, 1222616), (67, 1186120), (104, 764135), (130, 611308), (134, 593060), (260, 305654), (268, 296530), (335, 237224), (520, 152827), (536, 148265), (670, 118612), (871, 91240), (1340, 59306), (1742, 45620), (2281, 34840), (2680, 29653), (3484, 22810), (4355, 18248), (4562, 17420), (6968, 11405), (8710, 9124)]