39115640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 128

約数和(自身を含む): 101243520

約数和(自身を除く): 62127880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 41, 46, 61, 68, 82, 85, 92, 115, 122, 136, 164, 170, 184, 205, 230, 244, 305, 328, 340, 391, 410, 460, 488, 610, 680, 697, 782, 820, 920, 943, 1037, 1220, 1394, 1403, 1564, 1640, 1886, 1955, 2074, 2440, 2501, 2788, 2806, 3128, 3485, 3772, 3910, 4148, 4715, 5002, 5185, 5576, 5612, 6970, 7015, 7544, 7820, 8296, 9430, 10004, 10370, 11224, 12505, 13940, 14030, 15640, 16031, 18860, 20008, 20740, 23851, 25010, 27880, 28060, 32062, 37720, 41480, 42517, 47702, 50020, 56120, 57523, 64124, 80155, 85034, 95404, 100040, 115046, 119255, 128248, 160310, 170068, 190808, 212585, 230092, 238510, 287615, 320620, 340136, 425170, 460184, 477020, 575230, 641240, 850340, 954040, 977891, 1150460, 1700680, 1955782, 2300920, 3911564, 4889455, 7823128, 9778910, 19557820, 39115640]

約数ペア:

[(1, 39115640), (2, 19557820), (4, 9778910), (5, 7823128), (8, 4889455), (10, 3911564), (17, 2300920), (20, 1955782), (23, 1700680), (34, 1150460), (40, 977891), (41, 954040), (46, 850340), (61, 641240), (68, 575230), (82, 477020), (85, 460184), (92, 425170), (115, 340136), (122, 320620), (136, 287615), (164, 238510), (170, 230092), (184, 212585), (205, 190808), (230, 170068), (244, 160310), (305, 128248), (328, 119255), (340, 115046), (391, 100040), (410, 95404), (460, 85034), (488, 80155), (610, 64124), (680, 57523), (697, 56120), (782, 50020), (820, 47702), (920, 42517), (943, 41480), (1037, 37720), (1220, 32062), (1394, 28060), (1403, 27880), (1564, 25010), (1640, 23851), (1886, 20740), (1955, 20008), (2074, 18860), (2440, 16031), (2501, 15640), (2788, 14030), (2806, 13940), (3128, 12505), (3485, 11224), (3772, 10370), (3910, 10004), (4148, 9430), (4715, 8296), (5002, 7820), (5185, 7544), (5576, 7015), (5612, 6970)]