19951722160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1\times {\mathrm{5569}}^1$

素因数の和:7958

約数の個数: 80

約数和(自身を含む): 48858703200

約数和(自身を除く): 28906981040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2357, 4714, 5569, 9428, 11138, 11785, 18856, 22276, 23570, 27845, 37712, 44552, 44783, 47140, 55690, 89104, 89566, 94280, 105811, 111380, 179132, 188560, 211622, 222760, 223915, 358264, 423244, 445520, 447830, 529055, 716528, 846488, 895660, 1058110, 1692976, 1791320, 2116220, 3582640, 4232440, 8464880, 13126133, 26252266, 52504532, 65630665, 105009064, 131261330, 210018128, 249396527, 262522660, 498793054, 525045320, 997586108, 1050090640, 1246982635, 1995172216, 2493965270, 3990344432, 4987930540, 9975861080, 19951722160]

約数ペア:

[(1, 19951722160), (2, 9975861080), (4, 4987930540), (5, 3990344432), (8, 2493965270), (10, 1995172216), (16, 1246982635), (19, 1050090640), (20, 997586108), (38, 525045320), (40, 498793054), (76, 262522660), (80, 249396527), (95, 210018128), (152, 131261330), (190, 105009064), (304, 65630665), (380, 52504532), (760, 26252266), (1520, 13126133), (2357, 8464880), (4714, 4232440), (5569, 3582640), (9428, 2116220), (11138, 1791320), (11785, 1692976), (18856, 1058110), (22276, 895660), (23570, 846488), (27845, 716528), (37712, 529055), (44552, 447830), (44783, 445520), (47140, 423244), (55690, 358264), (89104, 223915), (89566, 222760), (94280, 211622), (105811, 188560), (111380, 179132)]