70148880040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28749541}}^1$

素因数の和:28749613

約数の個数: 32

約数和(自身を含む): 160422444360

約数和(自身を除く): 90273564320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 28749541, 57499082, 114998164, 143747705, 229996328, 287495410, 574990820, 1149981640, 1753722001, 3507444002, 7014888004, 8768610005, 14029776008, 17537220010, 35074440020, 70148880040]

約数ペア:

[(1, 70148880040), (2, 35074440020), (4, 17537220010), (5, 14029776008), (8, 8768610005), (10, 7014888004), (20, 3507444002), (40, 1753722001), (61, 1149981640), (122, 574990820), (244, 287495410), (305, 229996328), (488, 143747705), (610, 114998164), (1220, 57499082), (2440, 28749541)]