51339320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{733}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 123664320

約数和(自身を除く): 72325000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 136, 170, 206, 340, 412, 515, 680, 733, 824, 1030, 1466, 1751, 2060, 2932, 3502, 3665, 4120, 5864, 7004, 7330, 8755, 12461, 14008, 14660, 17510, 24922, 29320, 35020, 49844, 62305, 70040, 75499, 99688, 124610, 150998, 249220, 301996, 377495, 498440, 603992, 754990, 1283483, 1509980, 2566966, 3019960, 5133932, 6417415, 10267864, 12834830, 25669660, 51339320]

約数ペア:

[(1, 51339320), (2, 25669660), (4, 12834830), (5, 10267864), (8, 6417415), (10, 5133932), (17, 3019960), (20, 2566966), (34, 1509980), (40, 1283483), (68, 754990), (85, 603992), (103, 498440), (136, 377495), (170, 301996), (206, 249220), (340, 150998), (412, 124610), (515, 99688), (680, 75499), (733, 70040), (824, 62305), (1030, 49844), (1466, 35020), (1751, 29320), (2060, 24922), (2932, 17510), (3502, 14660), (3665, 14008), (4120, 12461), (5864, 8755), (7004, 7330)]