25609840

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2209

約数の個数: 40

約数和(自身を含む): 59951520

約数和(自身を除く): 34341680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2039, 2512, 3140, 4078, 6280, 8156, 10195, 12560, 16312, 20390, 32624, 40780, 81560, 163120, 320123, 640246, 1280492, 1600615, 2560984, 3201230, 5121968, 6402460, 12804920, 25609840]

約数ペア:

[(1, 25609840), (2, 12804920), (4, 6402460), (5, 5121968), (8, 3201230), (10, 2560984), (16, 1600615), (20, 1280492), (40, 640246), (80, 320123), (157, 163120), (314, 81560), (628, 40780), (785, 32624), (1256, 20390), (1570, 16312), (2039, 12560), (2512, 10195), (3140, 8156), (4078, 6280)]