85291480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 198586080

約数和(自身を除く): 113294600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 328, 397, 410, 524, 655, 794, 820, 1048, 1310, 1588, 1640, 1985, 2620, 3176, 3970, 5240, 5371, 7940, 10742, 15880, 16277, 21484, 26855, 32554, 42968, 52007, 53710, 65108, 81385, 104014, 107420, 130216, 162770, 208028, 214840, 260035, 325540, 416056, 520070, 651080, 1040140, 2080280, 2132287, 4264574, 8529148, 10661435, 17058296, 21322870, 42645740, 85291480]

約数ペア:

[(1, 85291480), (2, 42645740), (4, 21322870), (5, 17058296), (8, 10661435), (10, 8529148), (20, 4264574), (40, 2132287), (41, 2080280), (82, 1040140), (131, 651080), (164, 520070), (205, 416056), (262, 325540), (328, 260035), (397, 214840), (410, 208028), (524, 162770), (655, 130216), (794, 107420), (820, 104014), (1048, 81385), (1310, 65108), (1588, 53710), (1640, 52007), (1985, 42968), (2620, 32554), (3176, 26855), (3970, 21484), (5240, 16277), (5371, 15880), (7940, 10742)]