1656010640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{262027}}^1$

素因数の和:262119

約数の個数: 40

約数和(自身を含む): 3898976640

約数和(自身を除く): 2242966000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 262027, 524054, 1048108, 1310135, 2096216, 2620270, 4192432, 5240540, 10481080, 20700133, 20962160, 41400266, 82800532, 103500665, 165601064, 207001330, 331202128, 414002660, 828005320, 1656010640]

約数ペア:

[(1, 1656010640), (2, 828005320), (4, 414002660), (5, 331202128), (8, 207001330), (10, 165601064), (16, 103500665), (20, 82800532), (40, 41400266), (79, 20962160), (80, 20700133), (158, 10481080), (316, 5240540), (395, 4192432), (632, 2620270), (790, 2096216), (1264, 1310135), (1580, 1048108), (3160, 524054), (6320, 262027)]