7540804520

素因数分解:

$2^3\times 5^1\times {\mathrm{4831}}^1\times {\mathrm{39023}}^1$

素因数の和:43865

約数の個数: 32

約数和(自身を含む): 16970757120

約数和(自身を除く): 9429952600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4831, 9662, 19324, 24155, 38648, 39023, 48310, 78046, 96620, 156092, 193240, 195115, 312184, 390230, 780460, 1560920, 188520113, 377040226, 754080452, 942600565, 1508160904, 1885201130, 3770402260, 7540804520]

約数ペア:

[(1, 7540804520), (2, 3770402260), (4, 1885201130), (5, 1508160904), (8, 942600565), (10, 754080452), (20, 377040226), (40, 188520113), (4831, 1560920), (9662, 780460), (19324, 390230), (24155, 312184), (38648, 195115), (39023, 193240), (48310, 156092), (78046, 96620)]