4139720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 10584000

約数和(自身を除く): 6444280

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 419, 494, 520, 760, 838, 988, 1235, 1676, 1976, 2095, 2470, 3352, 4190, 4940, 5447, 7961, 8380, 9880, 10894, 15922, 16760, 21788, 27235, 31844, 39805, 43576, 54470, 63688, 79610, 103493, 108940, 159220, 206986, 217880, 318440, 413972, 517465, 827944, 1034930, 2069860, 4139720]

約数ペア:

[(1, 4139720), (2, 2069860), (4, 1034930), (5, 827944), (8, 517465), (10, 413972), (13, 318440), (19, 217880), (20, 206986), (26, 159220), (38, 108940), (40, 103493), (52, 79610), (65, 63688), (76, 54470), (95, 43576), (104, 39805), (130, 31844), (152, 27235), (190, 21788), (247, 16760), (260, 15922), (380, 10894), (419, 9880), (494, 8380), (520, 7961), (760, 5447), (838, 4940), (988, 4190), (1235, 3352), (1676, 2470), (1976, 2095)]