16877320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 23946680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 419, 424, 530, 760, 838, 1007, 1060, 1676, 2014, 2095, 2120, 3352, 4028, 4190, 5035, 7961, 8056, 8380, 10070, 15922, 16760, 20140, 22207, 31844, 39805, 40280, 44414, 63688, 79610, 88828, 111035, 159220, 177656, 222070, 318440, 421933, 444140, 843866, 888280, 1687732, 2109665, 3375464, 4219330, 8438660, 16877320]

約数ペア:

[(1, 16877320), (2, 8438660), (4, 4219330), (5, 3375464), (8, 2109665), (10, 1687732), (19, 888280), (20, 843866), (38, 444140), (40, 421933), (53, 318440), (76, 222070), (95, 177656), (106, 159220), (152, 111035), (190, 88828), (212, 79610), (265, 63688), (380, 44414), (419, 40280), (424, 39805), (530, 31844), (760, 22207), (838, 20140), (1007, 16760), (1060, 15922), (1676, 10070), (2014, 8380), (2095, 8056), (2120, 7961), (3352, 5035), (4028, 4190)]