9872720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1$

素因数の和:900

約数の個数: 80

約数和(自身を含む): 26998272

約数和(自身を除く): 17125552

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 863, 880, 1040, 1144, 1430, 1726, 2288, 2860, 3452, 4315, 5720, 6904, 8630, 9493, 11219, 11440, 13808, 17260, 18986, 22438, 34520, 37972, 44876, 47465, 56095, 69040, 75944, 89752, 94930, 112190, 123409, 151888, 179504, 189860, 224380, 246818, 379720, 448760, 493636, 617045, 759440, 897520, 987272, 1234090, 1974544, 2468180, 4936360, 9872720]

約数ペア:

[(1, 9872720), (2, 4936360), (4, 2468180), (5, 1974544), (8, 1234090), (10, 987272), (11, 897520), (13, 759440), (16, 617045), (20, 493636), (22, 448760), (26, 379720), (40, 246818), (44, 224380), (52, 189860), (55, 179504), (65, 151888), (80, 123409), (88, 112190), (104, 94930), (110, 89752), (130, 75944), (143, 69040), (176, 56095), (208, 47465), (220, 44876), (260, 37972), (286, 34520), (440, 22438), (520, 18986), (572, 17260), (715, 13808), (863, 11440), (880, 11219), (1040, 9493), (1144, 8630), (1430, 6904), (1726, 5720), (2288, 4315), (2860, 3452)]