25400315

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 33386496

約数和(自身を除く): 7986181

約数列:

[1, 5, 31, 37, 43, 103, 155, 185, 215, 515, 1147, 1333, 1591, 3193, 3811, 4429, 5735, 6665, 7955, 15965, 19055, 22145, 49321, 118141, 137299, 163873, 246605, 590705, 686495, 819365, 5080063, 25400315]

約数ペア:

[(1, 25400315), (5, 5080063), (31, 819365), (37, 686495), (43, 590705), (103, 246605), (155, 163873), (185, 137299), (215, 118141), (515, 49321), (1147, 22145), (1333, 19055), (1591, 15965), (3193, 7955), (3811, 6665), (4429, 5735)]