22125220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 29101340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1979, 2236, 2795, 3958, 5590, 7916, 9895, 11180, 19790, 25727, 39580, 51454, 85097, 102908, 128635, 170194, 257270, 340388, 425485, 514540, 850970, 1106261, 1701940, 2212522, 4425044, 5531305, 11062610, 22125220]

約数ペア:

[(1, 22125220), (2, 11062610), (4, 5531305), (5, 4425044), (10, 2212522), (13, 1701940), (20, 1106261), (26, 850970), (43, 514540), (52, 425485), (65, 340388), (86, 257270), (130, 170194), (172, 128635), (215, 102908), (260, 85097), (430, 51454), (559, 39580), (860, 25727), (1118, 19790), (1979, 11180), (2236, 9895), (2795, 7916), (3958, 5590)]