16458520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 41207040

約数和(自身を除く): 24748520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1021, 1240, 1612, 2015, 2042, 3224, 4030, 4084, 5105, 8060, 8168, 10210, 13273, 16120, 20420, 26546, 31651, 40840, 53092, 63302, 66365, 106184, 126604, 132730, 158255, 253208, 265460, 316510, 411463, 530920, 633020, 822926, 1266040, 1645852, 2057315, 3291704, 4114630, 8229260, 16458520]

約数ペア:

[(1, 16458520), (2, 8229260), (4, 4114630), (5, 3291704), (8, 2057315), (10, 1645852), (13, 1266040), (20, 822926), (26, 633020), (31, 530920), (40, 411463), (52, 316510), (62, 265460), (65, 253208), (104, 158255), (124, 132730), (130, 126604), (155, 106184), (248, 66365), (260, 63302), (310, 53092), (403, 40840), (520, 31651), (620, 26546), (806, 20420), (1021, 16120), (1240, 13273), (1612, 10210), (2015, 8168), (2042, 8060), (3224, 5105), (4030, 4084)]