16458320

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:923

約数の個数: 40

約数和(自身を含む): 38435040

約数和(自身を除く): 21976720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 491, 838, 982, 1676, 1964, 2095, 2455, 3352, 3928, 4190, 4910, 6704, 7856, 8380, 9820, 16760, 19640, 33520, 39280, 205729, 411458, 822916, 1028645, 1645832, 2057290, 3291664, 4114580, 8229160, 16458320]

約数ペア:

[(1, 16458320), (2, 8229160), (4, 4114580), (5, 3291664), (8, 2057290), (10, 1645832), (16, 1028645), (20, 822916), (40, 411458), (80, 205729), (419, 39280), (491, 33520), (838, 19640), (982, 16760), (1676, 9820), (1964, 8380), (2095, 7856), (2455, 6704), (3352, 4910), (3928, 4190)]