87491540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4639}}^1$

素因数の和:4712

約数の個数: 48

約数和(自身を含む): 196439040

約数和(自身を除く): 108947500

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4639, 4715, 9278, 9430, 18556, 18860, 23195, 46390, 92780, 106697, 190199, 213394, 380398, 426788, 533485, 760796, 950995, 1066970, 1901990, 2133940, 3803980, 4374577, 8749154, 17498308, 21872885, 43745770, 87491540]

約数ペア:

[(1, 87491540), (2, 43745770), (4, 21872885), (5, 17498308), (10, 8749154), (20, 4374577), (23, 3803980), (41, 2133940), (46, 1901990), (82, 1066970), (92, 950995), (115, 760796), (164, 533485), (205, 426788), (230, 380398), (410, 213394), (460, 190199), (820, 106697), (943, 92780), (1886, 46390), (3772, 23195), (4639, 18860), (4715, 18556), (9278, 9430)]