201259480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{51871}}^1$

素因数の和:51979

約数の個数: 32

約数和(自身を含む): 457511040

約数和(自身を除く): 256251560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 51871, 103742, 207484, 259355, 414968, 518710, 1037420, 2074840, 5031487, 10062974, 20125948, 25157435, 40251896, 50314870, 100629740, 201259480]

約数ペア:

[(1, 201259480), (2, 100629740), (4, 50314870), (5, 40251896), (8, 25157435), (10, 20125948), (20, 10062974), (40, 5031487), (97, 2074840), (194, 1037420), (388, 518710), (485, 414968), (776, 259355), (970, 207484), (1940, 103742), (3880, 51871)]