65266520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 174009600

約数和(自身を除く): 108743080

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 110, 148, 152, 185, 190, 209, 211, 220, 296, 370, 380, 407, 418, 422, 440, 703, 740, 760, 814, 836, 844, 1045, 1055, 1406, 1480, 1628, 1672, 1688, 2035, 2090, 2110, 2321, 2812, 3256, 3515, 4009, 4070, 4180, 4220, 4642, 5624, 7030, 7733, 7807, 8018, 8140, 8360, 8440, 9284, 11605, 14060, 15466, 15614, 16036, 16280, 18568, 20045, 23210, 28120, 30932, 31228, 32072, 38665, 39035, 40090, 44099, 46420, 61864, 62456, 77330, 78070, 80180, 85877, 88198, 92840, 148333, 154660, 156140, 160360, 171754, 176396, 220495, 296666, 309320, 312280, 343508, 352792, 429385, 440990, 593332, 687016, 741665, 858770, 881980, 1186664, 1483330, 1631663, 1717540, 1763960, 2966660, 3263326, 3435080, 5933320, 6526652, 8158315, 13053304, 16316630, 32633260, 65266520]

約数ペア:

[(1, 65266520), (2, 32633260), (4, 16316630), (5, 13053304), (8, 8158315), (10, 6526652), (11, 5933320), (19, 3435080), (20, 3263326), (22, 2966660), (37, 1763960), (38, 1717540), (40, 1631663), (44, 1483330), (55, 1186664), (74, 881980), (76, 858770), (88, 741665), (95, 687016), (110, 593332), (148, 440990), (152, 429385), (185, 352792), (190, 343508), (209, 312280), (211, 309320), (220, 296666), (296, 220495), (370, 176396), (380, 171754), (407, 160360), (418, 156140), (422, 154660), (440, 148333), (703, 92840), (740, 88198), (760, 85877), (814, 80180), (836, 78070), (844, 77330), (1045, 62456), (1055, 61864), (1406, 46420), (1480, 44099), (1628, 40090), (1672, 39035), (1688, 38665), (2035, 32072), (2090, 31228), (2110, 30932), (2321, 28120), (2812, 23210), (3256, 20045), (3515, 18568), (4009, 16280), (4070, 16036), (4180, 15614), (4220, 15466), (4642, 14060), (5624, 11605), (7030, 9284), (7733, 8440), (7807, 8360), (8018, 8140)]