64478650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 124867008

約数和(自身を除く): 60388358

約数列:

[1, 2, 5, 10, 25, 41, 50, 71, 82, 142, 205, 355, 410, 443, 710, 886, 1025, 1775, 2050, 2215, 2911, 3550, 4430, 5822, 11075, 14555, 18163, 22150, 29110, 31453, 36326, 62906, 72775, 90815, 145550, 157265, 181630, 314530, 454075, 786325, 908150, 1289573, 1572650, 2579146, 6447865, 12895730, 32239325, 64478650]

約数ペア:

[(1, 64478650), (2, 32239325), (5, 12895730), (10, 6447865), (25, 2579146), (41, 1572650), (50, 1289573), (71, 908150), (82, 786325), (142, 454075), (205, 314530), (355, 181630), (410, 157265), (443, 145550), (710, 90815), (886, 72775), (1025, 62906), (1775, 36326), (2050, 31453), (2215, 29110), (2911, 22150), (3550, 18163), (4430, 14555), (5822, 11075)]