65329640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{503}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 91434520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 191, 340, 382, 503, 680, 764, 955, 1006, 1528, 1910, 2012, 2515, 3247, 3820, 4024, 5030, 6494, 7640, 8551, 10060, 12988, 16235, 17102, 20120, 25976, 32470, 34204, 42755, 64940, 68408, 85510, 96073, 129880, 171020, 192146, 342040, 384292, 480365, 768584, 960730, 1633241, 1921460, 3266482, 3842920, 6532964, 8166205, 13065928, 16332410, 32664820, 65329640]

約数ペア:

[(1, 65329640), (2, 32664820), (4, 16332410), (5, 13065928), (8, 8166205), (10, 6532964), (17, 3842920), (20, 3266482), (34, 1921460), (40, 1633241), (68, 960730), (85, 768584), (136, 480365), (170, 384292), (191, 342040), (340, 192146), (382, 171020), (503, 129880), (680, 96073), (764, 85510), (955, 68408), (1006, 64940), (1528, 42755), (1910, 34204), (2012, 32470), (2515, 25976), (3247, 20120), (3820, 17102), (4024, 16235), (5030, 12988), (6494, 10060), (7640, 8551)]