2000686480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113161}}^1$

素因数の和:113204

約数の個数: 80

約数和(自身を含む): 5304129264

約数和(自身を除く): 3303442784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 113161, 226322, 452644, 565805, 905288, 1131610, 1471093, 1810576, 1923737, 2263220, 2942186, 3847474, 4526440, 5884372, 7355465, 7694948, 9052880, 9618685, 11768744, 14710930, 15389896, 19237370, 23537488, 25008581, 29421860, 30779792, 38474740, 50017162, 58843720, 76949480, 100034324, 117687440, 125042905, 153898960, 200068648, 250085810, 400137296, 500171620, 1000343240, 2000686480]

約数ペア:

[(1, 2000686480), (2, 1000343240), (4, 500171620), (5, 400137296), (8, 250085810), (10, 200068648), (13, 153898960), (16, 125042905), (17, 117687440), (20, 100034324), (26, 76949480), (34, 58843720), (40, 50017162), (52, 38474740), (65, 30779792), (68, 29421860), (80, 25008581), (85, 23537488), (104, 19237370), (130, 15389896), (136, 14710930), (170, 11768744), (208, 9618685), (221, 9052880), (260, 7694948), (272, 7355465), (340, 5884372), (442, 4526440), (520, 3847474), (680, 2942186), (884, 2263220), (1040, 1923737), (1105, 1810576), (1360, 1471093), (1768, 1131610), (2210, 905288), (3536, 565805), (4420, 452644), (8840, 226322), (17680, 113161)]