15939580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 35352576

約数和(自身を除く): 19412996

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 547, 620, 940, 1094, 1457, 2188, 2735, 2914, 5470, 5828, 7285, 10940, 14570, 16957, 25709, 29140, 33914, 51418, 67828, 84785, 102836, 128545, 169570, 257090, 339140, 514180, 796979, 1593958, 3187916, 3984895, 7969790, 15939580]

約数ペア:

[(1, 15939580), (2, 7969790), (4, 3984895), (5, 3187916), (10, 1593958), (20, 796979), (31, 514180), (47, 339140), (62, 257090), (94, 169570), (124, 128545), (155, 102836), (188, 84785), (235, 67828), (310, 51418), (470, 33914), (547, 29140), (620, 25709), (940, 16957), (1094, 14570), (1457, 10940), (2188, 7285), (2735, 5828), (2914, 5470)]