709049080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{5209}}^1$

素因数の和:5344

約数の個数: 64

約数和(自身を含む): 1654279200

約数和(自身を除く): 945230120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 410, 415, 664, 820, 830, 1640, 1660, 3320, 3403, 5209, 6806, 10418, 13612, 17015, 20836, 26045, 27224, 34030, 41672, 52090, 68060, 104180, 136120, 208360, 213569, 427138, 432347, 854276, 864694, 1067845, 1708552, 1729388, 2135690, 2161735, 3458776, 4271380, 4323470, 8542760, 8646940, 17293880, 17726227, 35452454, 70904908, 88631135, 141809816, 177262270, 354524540, 709049080]

約数ペア:

[(1, 709049080), (2, 354524540), (4, 177262270), (5, 141809816), (8, 88631135), (10, 70904908), (20, 35452454), (40, 17726227), (41, 17293880), (82, 8646940), (83, 8542760), (164, 4323470), (166, 4271380), (205, 3458776), (328, 2161735), (332, 2135690), (410, 1729388), (415, 1708552), (664, 1067845), (820, 864694), (830, 854276), (1640, 432347), (1660, 427138), (3320, 213569), (3403, 208360), (5209, 136120), (6806, 104180), (10418, 68060), (13612, 52090), (17015, 41672), (20836, 34030), (26045, 27224)]