25303520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1307}}^1$

素因数の和:1344

約数の個数: 72

約数和(自身を含む): 65758392

約数和(自身を除く): 40454872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1307, 1760, 1936, 2420, 2614, 3872, 4840, 5228, 6535, 9680, 10456, 13070, 14377, 19360, 20912, 26140, 28754, 41824, 52280, 57508, 71885, 104560, 115016, 143770, 158147, 209120, 230032, 287540, 316294, 460064, 575080, 632588, 790735, 1150160, 1265176, 1581470, 2300320, 2530352, 3162940, 5060704, 6325880, 12651760, 25303520]

約数ペア:

[(1, 25303520), (2, 12651760), (4, 6325880), (5, 5060704), (8, 3162940), (10, 2530352), (11, 2300320), (16, 1581470), (20, 1265176), (22, 1150160), (32, 790735), (40, 632588), (44, 575080), (55, 460064), (80, 316294), (88, 287540), (110, 230032), (121, 209120), (160, 158147), (176, 143770), (220, 115016), (242, 104560), (352, 71885), (440, 57508), (484, 52280), (605, 41824), (880, 28754), (968, 26140), (1210, 20912), (1307, 19360), (1760, 14377), (1936, 13070), (2420, 10456), (2614, 9680), (3872, 6535), (4840, 5228)]