8405140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 10646060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 419, 590, 838, 1003, 1180, 1676, 2006, 2095, 4012, 4190, 5015, 7123, 8380, 10030, 14246, 20060, 24721, 28492, 35615, 49442, 71230, 98884, 123605, 142460, 247210, 420257, 494420, 840514, 1681028, 2101285, 4202570, 8405140]

約数ペア:

[(1, 8405140), (2, 4202570), (4, 2101285), (5, 1681028), (10, 840514), (17, 494420), (20, 420257), (34, 247210), (59, 142460), (68, 123605), (85, 98884), (118, 71230), (170, 49442), (236, 35615), (295, 28492), (340, 24721), (419, 20060), (590, 14246), (838, 10030), (1003, 8380), (1180, 7123), (1676, 5015), (2006, 4190), (2095, 4012)]