39809328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 111826176

約数和(自身を除く): 72016848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 262, 312, 393, 487, 524, 624, 786, 974, 1048, 1461, 1572, 1703, 1948, 2096, 2922, 3144, 3406, 3896, 5109, 5844, 6288, 6331, 6812, 7792, 10218, 11688, 12662, 13624, 18993, 20436, 23376, 25324, 27248, 37986, 40872, 50648, 63797, 75972, 81744, 101296, 127594, 151944, 191391, 255188, 303888, 382782, 510376, 765564, 829361, 1020752, 1531128, 1658722, 2488083, 3062256, 3317444, 4976166, 6634888, 9952332, 13269776, 19904664, 39809328]

約数ペア:

[(1, 39809328), (2, 19904664), (3, 13269776), (4, 9952332), (6, 6634888), (8, 4976166), (12, 3317444), (13, 3062256), (16, 2488083), (24, 1658722), (26, 1531128), (39, 1020752), (48, 829361), (52, 765564), (78, 510376), (104, 382782), (131, 303888), (156, 255188), (208, 191391), (262, 151944), (312, 127594), (393, 101296), (487, 81744), (524, 75972), (624, 63797), (786, 50648), (974, 40872), (1048, 37986), (1461, 27248), (1572, 25324), (1703, 23376), (1948, 20436), (2096, 18993), (2922, 13624), (3144, 12662), (3406, 11688), (3896, 10218), (5109, 7792), (5844, 6812), (6288, 6331)]