624257080

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 1426934880

約数和(自身を除く): 802677800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 251, 388, 485, 502, 641, 776, 970, 1004, 1255, 1282, 1940, 2008, 2510, 2564, 3205, 3880, 5020, 5128, 6410, 10040, 12820, 24347, 25640, 48694, 62177, 97388, 121735, 124354, 160891, 194776, 243470, 248708, 310885, 321782, 486940, 497416, 621770, 643564, 804455, 973880, 1243540, 1287128, 1608910, 2487080, 3217820, 6435640, 15606427, 31212854, 62425708, 78032135, 124851416, 156064270, 312128540, 624257080]

約数ペア:

[(1, 624257080), (2, 312128540), (4, 156064270), (5, 124851416), (8, 78032135), (10, 62425708), (20, 31212854), (40, 15606427), (97, 6435640), (194, 3217820), (251, 2487080), (388, 1608910), (485, 1287128), (502, 1243540), (641, 973880), (776, 804455), (970, 643564), (1004, 621770), (1255, 497416), (1282, 486940), (1940, 321782), (2008, 310885), (2510, 248708), (2564, 243470), (3205, 194776), (3880, 160891), (5020, 124354), (5128, 121735), (6410, 97388), (10040, 62177), (12820, 48694), (24347, 25640)]