205874080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{75689}}^1$

素因数の和:75721

約数の個数: 48

約数和(自身を含む): 514994760

約数和(自身を除く): 309120680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 75689, 151378, 302756, 378445, 605512, 756890, 1211024, 1286713, 1513780, 2422048, 2573426, 3027560, 5146852, 6055120, 6433565, 10293704, 12110240, 12867130, 20587408, 25734260, 41174816, 51468520, 102937040, 205874080]

約数ペア:

[(1, 205874080), (2, 102937040), (4, 51468520), (5, 41174816), (8, 25734260), (10, 20587408), (16, 12867130), (17, 12110240), (20, 10293704), (32, 6433565), (34, 6055120), (40, 5146852), (68, 3027560), (80, 2573426), (85, 2422048), (136, 1513780), (160, 1286713), (170, 1211024), (272, 756890), (340, 605512), (544, 378445), (680, 302756), (1360, 151378), (2720, 75689)]