39278840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 95644800

約数和(自身を除く): 56365960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1229, 1598, 1880, 2458, 3196, 3995, 4916, 6145, 6392, 7990, 9832, 12290, 15980, 20893, 24580, 31960, 41786, 49160, 57763, 83572, 104465, 115526, 167144, 208930, 231052, 288815, 417860, 462104, 577630, 835720, 981971, 1155260, 1963942, 2310520, 3927884, 4909855, 7855768, 9819710, 19639420, 39278840]

約数ペア:

[(1, 39278840), (2, 19639420), (4, 9819710), (5, 7855768), (8, 4909855), (10, 3927884), (17, 2310520), (20, 1963942), (34, 1155260), (40, 981971), (47, 835720), (68, 577630), (85, 462104), (94, 417860), (136, 288815), (170, 231052), (188, 208930), (235, 167144), (340, 115526), (376, 104465), (470, 83572), (680, 57763), (799, 49160), (940, 41786), (1229, 31960), (1598, 24580), (1880, 20893), (2458, 15980), (3196, 12290), (3995, 9832), (4916, 7990), (6145, 6392)]