8266754020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{541727}}^1$

素因数の和:541852

約数の個数: 48

約数和(自身を含む): 20022266880

約数和(自身を除く): 11755512860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 541727, 1083454, 2166908, 2708635, 3792089, 5417270, 7584178, 10834540, 15168356, 18960445, 37920890, 59048243, 75841780, 118096486, 236192972, 295241215, 413337701, 590482430, 826675402, 1180964860, 1653350804, 2066688505, 4133377010, 8266754020]

約数ペア:

[(1, 8266754020), (2, 4133377010), (4, 2066688505), (5, 1653350804), (7, 1180964860), (10, 826675402), (14, 590482430), (20, 413337701), (28, 295241215), (35, 236192972), (70, 118096486), (109, 75841780), (140, 59048243), (218, 37920890), (436, 18960445), (545, 15168356), (763, 10834540), (1090, 7584178), (1526, 5417270), (2180, 3792089), (3052, 2708635), (3815, 2166908), (7630, 1083454), (15260, 541727)]