25472720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3499}}^1$

素因数の和:3532

約数の個数: 80

約数和(自身を含む): 72912000

約数和(自身を除く): 47439280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3499, 3640, 6998, 7280, 13996, 17495, 24493, 27992, 34990, 45487, 48986, 55984, 69980, 90974, 97972, 122465, 139960, 181948, 195944, 227435, 244930, 279920, 318409, 363896, 391888, 454870, 489860, 636818, 727792, 909740, 979720, 1273636, 1592045, 1819480, 1959440, 2547272, 3184090, 3638960, 5094544, 6368180, 12736360, 25472720]

約数ペア:

[(1, 25472720), (2, 12736360), (4, 6368180), (5, 5094544), (7, 3638960), (8, 3184090), (10, 2547272), (13, 1959440), (14, 1819480), (16, 1592045), (20, 1273636), (26, 979720), (28, 909740), (35, 727792), (40, 636818), (52, 489860), (56, 454870), (65, 391888), (70, 363896), (80, 318409), (91, 279920), (104, 244930), (112, 227435), (130, 195944), (140, 181948), (182, 139960), (208, 122465), (260, 97972), (280, 90974), (364, 69980), (455, 55984), (520, 48986), (560, 45487), (728, 34990), (910, 27992), (1040, 24493), (1456, 17495), (1820, 13996), (3499, 7280), (3640, 6998)]