153920080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31541}}^1$

素因数の和:31615

約数の個数: 40

約数和(自身を含む): 363742344

約数和(自身を除く): 209822264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 31541, 63082, 126164, 157705, 252328, 315410, 504656, 630820, 1261640, 1924001, 2523280, 3848002, 7696004, 9620005, 15392008, 19240010, 30784016, 38480020, 76960040, 153920080]

約数ペア:

[(1, 153920080), (2, 76960040), (4, 38480020), (5, 30784016), (8, 19240010), (10, 15392008), (16, 9620005), (20, 7696004), (40, 3848002), (61, 2523280), (80, 1924001), (122, 1261640), (244, 630820), (305, 504656), (488, 315410), (610, 252328), (976, 157705), (1220, 126164), (2440, 63082), (4880, 31541)]