28305158440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3201941}}^1$

素因数の和:3201982

約数の個数: 64

約数和(自身を含む): 72620044560

約数和(自身を除く): 44314886120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 3201941, 6403882, 12807764, 16009705, 25615528, 32019410, 41625233, 54432997, 64038820, 83250466, 108865994, 128077640, 166500932, 208126165, 217731988, 272164985, 333001864, 416252330, 435463976, 544329970, 707628961, 832504660, 1088659940, 1415257922, 1665009320, 2177319880, 2830515844, 3538144805, 5661031688, 7076289610, 14152579220, 28305158440]

約数ペア:

[(1, 28305158440), (2, 14152579220), (4, 7076289610), (5, 5661031688), (8, 3538144805), (10, 2830515844), (13, 2177319880), (17, 1665009320), (20, 1415257922), (26, 1088659940), (34, 832504660), (40, 707628961), (52, 544329970), (65, 435463976), (68, 416252330), (85, 333001864), (104, 272164985), (130, 217731988), (136, 208126165), (170, 166500932), (221, 128077640), (260, 108865994), (340, 83250466), (442, 64038820), (520, 54432997), (680, 41625233), (884, 32019410), (1105, 25615528), (1768, 16009705), (2210, 12807764), (4420, 6403882), (8840, 3201941)]