80999560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5179}}^1$

素因数の和:5230

約数の個数: 64

約数和(自身を含む): 201398400

約数和(自身を除く): 120398840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 5179, 7820, 10358, 15640, 20716, 25895, 41432, 51790, 88043, 103580, 119117, 176086, 207160, 238234, 352172, 440215, 476468, 595585, 704344, 880430, 952936, 1191170, 1760860, 2024989, 2382340, 3521720, 4049978, 4764680, 8099956, 10124945, 16199912, 20249890, 40499780, 80999560]

約数ペア:

[(1, 80999560), (2, 40499780), (4, 20249890), (5, 16199912), (8, 10124945), (10, 8099956), (17, 4764680), (20, 4049978), (23, 3521720), (34, 2382340), (40, 2024989), (46, 1760860), (68, 1191170), (85, 952936), (92, 880430), (115, 704344), (136, 595585), (170, 476468), (184, 440215), (230, 352172), (340, 238234), (391, 207160), (460, 176086), (680, 119117), (782, 103580), (920, 88043), (1564, 51790), (1955, 41432), (3128, 25895), (3910, 20716), (5179, 15640), (7820, 10358)]