78190480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57493}}^1$

素因数の和:57523

約数の個数: 40

約数和(自身を含む): 192489912

約数和(自身を除く): 114299432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 57493, 114986, 229972, 287465, 459944, 574930, 919888, 977381, 1149860, 1954762, 2299720, 3909524, 4599440, 4886905, 7819048, 9773810, 15638096, 19547620, 39095240, 78190480]

約数ペア:

[(1, 78190480), (2, 39095240), (4, 19547620), (5, 15638096), (8, 9773810), (10, 7819048), (16, 4886905), (17, 4599440), (20, 3909524), (34, 2299720), (40, 1954762), (68, 1149860), (80, 977381), (85, 919888), (136, 574930), (170, 459944), (272, 287465), (340, 229972), (680, 114986), (1360, 57493)]