78100013380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33457}}^1\times {\mathrm{6143}}^1$

素因数の和:39628

約数の個数: 48

約数和(自身を含む): 172675399680

約数和(自身を除く): 94575386300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6143, 12286, 24572, 30715, 33457, 61430, 66914, 116717, 122860, 133828, 167285, 233434, 334570, 466868, 583585, 635683, 669140, 1167170, 1271366, 2334340, 2542732, 3178415, 6356830, 12713660, 205526351, 411052702, 822105404, 1027631755, 2055263510, 3905000669, 4110527020, 7810001338, 15620002676, 19525003345, 39050006690, 78100013380]

約数ペア:

[(1, 78100013380), (2, 39050006690), (4, 19525003345), (5, 15620002676), (10, 7810001338), (19, 4110527020), (20, 3905000669), (38, 2055263510), (76, 1027631755), (95, 822105404), (190, 411052702), (380, 205526351), (6143, 12713660), (12286, 6356830), (24572, 3178415), (30715, 2542732), (33457, 2334340), (61430, 1271366), (66914, 1167170), (116717, 669140), (122860, 635683), (133828, 583585), (167285, 466868), (233434, 334570)]