28436960

素因数分解:

$2^5\times 5^1\times {\mathrm{223}}^1\times {\mathrm{797}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 67568256

約数和(自身を除く): 39131296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 223, 446, 797, 892, 1115, 1594, 1784, 2230, 3188, 3568, 3985, 4460, 6376, 7136, 7970, 8920, 12752, 15940, 17840, 25504, 31880, 35680, 63760, 127520, 177731, 355462, 710924, 888655, 1421848, 1777310, 2843696, 3554620, 5687392, 7109240, 14218480, 28436960]

約数ペア:

[(1, 28436960), (2, 14218480), (4, 7109240), (5, 5687392), (8, 3554620), (10, 2843696), (16, 1777310), (20, 1421848), (32, 888655), (40, 710924), (80, 355462), (160, 177731), (223, 127520), (446, 63760), (797, 35680), (892, 31880), (1115, 25504), (1594, 17840), (1784, 15940), (2230, 12752), (3188, 8920), (3568, 7970), (3985, 7136), (4460, 6376)]