128773000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{983}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 303937920

約数和(自身を除く): 175164920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 200, 250, 262, 500, 524, 655, 983, 1000, 1048, 1310, 1966, 2620, 3275, 3932, 4915, 5240, 6550, 7864, 9830, 13100, 16375, 19660, 24575, 26200, 32750, 39320, 49150, 65500, 98300, 122875, 128773, 131000, 196600, 245750, 257546, 491500, 515092, 643865, 983000, 1030184, 1287730, 2575460, 3219325, 5150920, 6438650, 12877300, 16096625, 25754600, 32193250, 64386500, 128773000]

約数ペア:

[(1, 128773000), (2, 64386500), (4, 32193250), (5, 25754600), (8, 16096625), (10, 12877300), (20, 6438650), (25, 5150920), (40, 3219325), (50, 2575460), (100, 1287730), (125, 1030184), (131, 983000), (200, 643865), (250, 515092), (262, 491500), (500, 257546), (524, 245750), (655, 196600), (983, 131000), (1000, 128773), (1048, 122875), (1310, 98300), (1966, 65500), (2620, 49150), (3275, 39320), (3932, 32750), (4915, 26200), (5240, 24575), (6550, 19660), (7864, 16375), (9830, 13100)]