80883760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 199987200

約数和(自身を除く): 119103440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 419, 508, 635, 760, 838, 1016, 1270, 1520, 1676, 2032, 2095, 2413, 2540, 3352, 4190, 4826, 5080, 6704, 7961, 8380, 9652, 10160, 12065, 15922, 16760, 19304, 24130, 31844, 33520, 38608, 39805, 48260, 53213, 63688, 79610, 96520, 106426, 127376, 159220, 193040, 212852, 266065, 318440, 425704, 532130, 636880, 851408, 1011047, 1064260, 2022094, 2128520, 4044188, 4257040, 5055235, 8088376, 10110470, 16176752, 20220940, 40441880, 80883760]

約数ペア:

[(1, 80883760), (2, 40441880), (4, 20220940), (5, 16176752), (8, 10110470), (10, 8088376), (16, 5055235), (19, 4257040), (20, 4044188), (38, 2128520), (40, 2022094), (76, 1064260), (80, 1011047), (95, 851408), (127, 636880), (152, 532130), (190, 425704), (254, 318440), (304, 266065), (380, 212852), (419, 193040), (508, 159220), (635, 127376), (760, 106426), (838, 96520), (1016, 79610), (1270, 63688), (1520, 53213), (1676, 48260), (2032, 39805), (2095, 38608), (2413, 33520), (2540, 31844), (3352, 24130), (4190, 19304), (4826, 16760), (5080, 15922), (6704, 12065), (7961, 10160), (8380, 9652)]