1020140080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{2011}}^1$

素因数の和:2414

約数の個数: 80

約数和(自身を含む): 2519329824

約数和(自身を除く): 1499189744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 373, 680, 746, 1360, 1492, 1865, 2011, 2984, 3730, 4022, 5968, 6341, 7460, 8044, 10055, 12682, 14920, 16088, 20110, 25364, 29840, 31705, 32176, 34187, 40220, 50728, 63410, 68374, 80440, 101456, 126820, 136748, 160880, 170935, 253640, 273496, 341870, 507280, 546992, 683740, 750103, 1367480, 1500206, 2734960, 3000412, 3750515, 6000824, 7501030, 12001648, 12751751, 15002060, 25503502, 30004120, 51007004, 60008240, 63758755, 102014008, 127517510, 204028016, 255035020, 510070040, 1020140080]

約数ペア:

[(1, 1020140080), (2, 510070040), (4, 255035020), (5, 204028016), (8, 127517510), (10, 102014008), (16, 63758755), (17, 60008240), (20, 51007004), (34, 30004120), (40, 25503502), (68, 15002060), (80, 12751751), (85, 12001648), (136, 7501030), (170, 6000824), (272, 3750515), (340, 3000412), (373, 2734960), (680, 1500206), (746, 1367480), (1360, 750103), (1492, 683740), (1865, 546992), (2011, 507280), (2984, 341870), (3730, 273496), (4022, 253640), (5968, 170935), (6341, 160880), (7460, 136748), (8044, 126820), (10055, 101456), (12682, 80440), (14920, 68374), (16088, 63410), (20110, 50728), (25364, 40220), (29840, 34187), (31705, 32176)]