25388225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 10609471

約数列:

[1, 5, 17, 25, 31, 41, 47, 85, 155, 205, 235, 425, 527, 697, 775, 799, 1025, 1175, 1271, 1457, 1927, 2635, 3485, 3995, 6355, 7285, 9635, 13175, 17425, 19975, 21607, 24769, 31775, 32759, 36425, 48175, 59737, 108035, 123845, 163795, 298685, 540175, 619225, 818975, 1015529, 1493425, 5077645, 25388225]

約数ペア:

[(1, 25388225), (5, 5077645), (17, 1493425), (25, 1015529), (31, 818975), (41, 619225), (47, 540175), (85, 298685), (155, 163795), (205, 123845), (235, 108035), (425, 59737), (527, 48175), (697, 36425), (775, 32759), (799, 31775), (1025, 24769), (1175, 21607), (1271, 19975), (1457, 17425), (1927, 13175), (2635, 9635), (3485, 7285), (3995, 6355)]