201268280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82487}}^1$

素因数の和:82559

約数の個数: 32

約数和(自身を含む): 460283040

約数和(自身を除く): 259014760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82487, 164974, 329948, 412435, 659896, 824870, 1649740, 3299480, 5031707, 10063414, 20126828, 25158535, 40253656, 50317070, 100634140, 201268280]

約数ペア:

[(1, 201268280), (2, 100634140), (4, 50317070), (5, 40253656), (8, 25158535), (10, 20126828), (20, 10063414), (40, 5031707), (61, 3299480), (122, 1649740), (244, 824870), (305, 659896), (488, 412435), (610, 329948), (1220, 164974), (2440, 82487)]