80440940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{2297}}^1$

素因数の和:2426

約数の個数: 48

約数和(自身を含む): 180677952

約数和(自身を除く): 100237012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 2060, 2297, 3502, 4594, 7004, 8755, 9188, 11485, 17510, 22970, 35020, 39049, 45940, 78098, 156196, 195245, 236591, 390490, 473182, 780980, 946364, 1182955, 2365910, 4022047, 4731820, 8044094, 16088188, 20110235, 40220470, 80440940]

約数ペア:

[(1, 80440940), (2, 40220470), (4, 20110235), (5, 16088188), (10, 8044094), (17, 4731820), (20, 4022047), (34, 2365910), (68, 1182955), (85, 946364), (103, 780980), (170, 473182), (206, 390490), (340, 236591), (412, 195245), (515, 156196), (1030, 78098), (1751, 45940), (2060, 39049), (2297, 35020), (3502, 22970), (4594, 17510), (7004, 11485), (8755, 9188)]