16626340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 20871260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 619, 790, 1238, 1343, 1580, 2476, 2686, 3095, 5372, 6190, 6715, 10523, 12380, 13430, 21046, 26860, 42092, 48901, 52615, 97802, 105230, 195604, 210460, 244505, 489010, 831317, 978020, 1662634, 3325268, 4156585, 8313170, 16626340]

約数ペア:

[(1, 16626340), (2, 8313170), (4, 4156585), (5, 3325268), (10, 1662634), (17, 978020), (20, 831317), (34, 489010), (68, 244505), (79, 210460), (85, 195604), (158, 105230), (170, 97802), (316, 52615), (340, 48901), (395, 42092), (619, 26860), (790, 21046), (1238, 13430), (1343, 12380), (1580, 10523), (2476, 6715), (2686, 6190), (3095, 5372)]