81200500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 193179168

約数和(自身を除く): 111978668

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 125, 164, 170, 205, 233, 250, 340, 410, 425, 466, 500, 697, 820, 850, 932, 1025, 1165, 1394, 1700, 2050, 2125, 2330, 2788, 3485, 3961, 4100, 4250, 4660, 5125, 5825, 6970, 7922, 8500, 9553, 10250, 11650, 13940, 15844, 17425, 19106, 19805, 20500, 23300, 29125, 34850, 38212, 39610, 47765, 58250, 69700, 79220, 87125, 95530, 99025, 116500, 162401, 174250, 191060, 198050, 238825, 324802, 348500, 396100, 477650, 495125, 649604, 812005, 955300, 990250, 1194125, 1624010, 1980500, 2388250, 3248020, 4060025, 4776500, 8120050, 16240100, 20300125, 40600250, 81200500]

約数ペア:

[(1, 81200500), (2, 40600250), (4, 20300125), (5, 16240100), (10, 8120050), (17, 4776500), (20, 4060025), (25, 3248020), (34, 2388250), (41, 1980500), (50, 1624010), (68, 1194125), (82, 990250), (85, 955300), (100, 812005), (125, 649604), (164, 495125), (170, 477650), (205, 396100), (233, 348500), (250, 324802), (340, 238825), (410, 198050), (425, 191060), (466, 174250), (500, 162401), (697, 116500), (820, 99025), (850, 95530), (932, 87125), (1025, 79220), (1165, 69700), (1394, 58250), (1700, 47765), (2050, 39610), (2125, 38212), (2330, 34850), (2788, 29125), (3485, 23300), (3961, 20500), (4100, 19805), (4250, 19106), (4660, 17425), (5125, 15844), (5825, 13940), (6970, 11650), (7922, 10250), (8500, 9553)]