20804060080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{41011}}^1$

素因数の和:41414

約数の個数: 80

約数和(自身を含む): 51353257824

約数和(自身を除く): 30549197744

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, 2984, 3730, 5968, 6341, 7460, 12682, 14920, 25364, 29840, 31705, 41011, 50728, 63410, 82022, 101456, 126820, 164044, 205055, 253640, 328088, 410110, 507280, 656176, 697187, 820220, 1394374, 1640440, 2788748, 3280880, 3485935, 5577496, 6971870, 11154992, 13943740, 15297103, 27887480, 30594206, 55774960, 61188412, 76485515, 122376824, 152971030, 244753648, 260050751, 305942060, 520101502, 611884120, 1040203004, 1223768240, 1300253755, 2080406008, 2600507510, 4160812016, 5201015020, 10402030040, 20804060080]

約数ペア:

[(1, 20804060080), (2, 10402030040), (4, 5201015020), (5, 4160812016), (8, 2600507510), (10, 2080406008), (16, 1300253755), (17, 1223768240), (20, 1040203004), (34, 611884120), (40, 520101502), (68, 305942060), (80, 260050751), (85, 244753648), (136, 152971030), (170, 122376824), (272, 76485515), (340, 61188412), (373, 55774960), (680, 30594206), (746, 27887480), (1360, 15297103), (1492, 13943740), (1865, 11154992), (2984, 6971870), (3730, 5577496), (5968, 3485935), (6341, 3280880), (7460, 2788748), (12682, 1640440), (14920, 1394374), (25364, 820220), (29840, 697187), (31705, 656176), (41011, 507280), (50728, 410110), (63410, 328088), (82022, 253640), (101456, 205055), (126820, 164044)]