156988789240

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1\times {\mathrm{38083}}^1$

素因数の和:38752

約数の個数: 64

約数和(自身を含む): 355492812960

約数和(自身を除く): 198504023720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 401, 514, 802, 1028, 1285, 1604, 2005, 2056, 2570, 3208, 4010, 5140, 8020, 10280, 16040, 38083, 76166, 103057, 152332, 190415, 206114, 304664, 380830, 412228, 515285, 761660, 824456, 1030570, 1523320, 2061140, 4122280, 9787331, 15271283, 19574662, 30542566, 39149324, 48936655, 61085132, 76356415, 78298648, 97873310, 122170264, 152712830, 195746620, 305425660, 391493240, 610851320, 3924719731, 7849439462, 15698878924, 19623598655, 31397757848, 39247197310, 78494394620, 156988789240]

約数ペア:

[(1, 156988789240), (2, 78494394620), (4, 39247197310), (5, 31397757848), (8, 19623598655), (10, 15698878924), (20, 7849439462), (40, 3924719731), (257, 610851320), (401, 391493240), (514, 305425660), (802, 195746620), (1028, 152712830), (1285, 122170264), (1604, 97873310), (2005, 78298648), (2056, 76356415), (2570, 61085132), (3208, 48936655), (4010, 39149324), (5140, 30542566), (8020, 19574662), (10280, 15271283), (16040, 9787331), (38083, 4122280), (76166, 2061140), (103057, 1523320), (152332, 1030570), (190415, 824456), (206114, 761660), (304664, 515285), (380830, 412228)]