25230860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 56663040

約数和(自身を除く): 31432180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 991, 1273, 1340, 1982, 2546, 3964, 4955, 5092, 6365, 9910, 12730, 18829, 19820, 25460, 37658, 66397, 75316, 94145, 132794, 188290, 265588, 331985, 376580, 663970, 1261543, 1327940, 2523086, 5046172, 6307715, 12615430, 25230860]

約数ペア:

[(1, 25230860), (2, 12615430), (4, 6307715), (5, 5046172), (10, 2523086), (19, 1327940), (20, 1261543), (38, 663970), (67, 376580), (76, 331985), (95, 265588), (134, 188290), (190, 132794), (268, 94145), (335, 75316), (380, 66397), (670, 37658), (991, 25460), (1273, 19820), (1340, 18829), (1982, 12730), (2546, 9910), (3964, 6365), (4955, 5092)]