16199980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 39191040

約数和(自身を除く): 22991060

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 31, 34, 53, 58, 62, 68, 85, 106, 116, 124, 145, 155, 170, 212, 265, 290, 310, 340, 493, 527, 530, 580, 620, 899, 901, 986, 1054, 1060, 1537, 1643, 1798, 1802, 1972, 2108, 2465, 2635, 3074, 3286, 3596, 3604, 4495, 4505, 4930, 5270, 6148, 6572, 7685, 8215, 8990, 9010, 9860, 10540, 15283, 15370, 16430, 17980, 18020, 26129, 27931, 30566, 30740, 32860, 47647, 52258, 55862, 61132, 76415, 95294, 104516, 111724, 130645, 139655, 152830, 190588, 238235, 261290, 279310, 305660, 476470, 522580, 558620, 809999, 952940, 1619998, 3239996, 4049995, 8099990, 16199980]

約数ペア:

[(1, 16199980), (2, 8099990), (4, 4049995), (5, 3239996), (10, 1619998), (17, 952940), (20, 809999), (29, 558620), (31, 522580), (34, 476470), (53, 305660), (58, 279310), (62, 261290), (68, 238235), (85, 190588), (106, 152830), (116, 139655), (124, 130645), (145, 111724), (155, 104516), (170, 95294), (212, 76415), (265, 61132), (290, 55862), (310, 52258), (340, 47647), (493, 32860), (527, 30740), (530, 30566), (580, 27931), (620, 26129), (899, 18020), (901, 17980), (986, 16430), (1054, 15370), (1060, 15283), (1537, 10540), (1643, 9860), (1798, 9010), (1802, 8990), (1972, 8215), (2108, 7685), (2465, 6572), (2635, 6148), (3074, 5270), (3286, 4930), (3596, 4505), (3604, 4495)]