80459980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10289}}^1$

素因数の和:10338

約数の個数: 48

約数和(自身を含む): 186701760

約数和(自身を除く): 106241780

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 10289, 20578, 41156, 51445, 102890, 174913, 205780, 236647, 349826, 473294, 699652, 874565, 946588, 1183235, 1749130, 2366470, 3498260, 4022999, 4732940, 8045998, 16091996, 20114995, 40229990, 80459980]

約数ペア:

[(1, 80459980), (2, 40229990), (4, 20114995), (5, 16091996), (10, 8045998), (17, 4732940), (20, 4022999), (23, 3498260), (34, 2366470), (46, 1749130), (68, 1183235), (85, 946588), (92, 874565), (115, 699652), (170, 473294), (230, 349826), (340, 236647), (391, 205780), (460, 174913), (782, 102890), (1564, 51445), (1955, 41156), (3910, 20578), (7820, 10289)]