66348880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 167739264

約数和(自身を除く): 101390384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 487, 520, 524, 655, 974, 1040, 1048, 1310, 1703, 1948, 2096, 2435, 2620, 3406, 3896, 4870, 5240, 6331, 6812, 7792, 8515, 9740, 10480, 12662, 13624, 17030, 19480, 25324, 27248, 31655, 34060, 38960, 50648, 63310, 63797, 68120, 101296, 126620, 127594, 136240, 253240, 255188, 318985, 506480, 510376, 637970, 829361, 1020752, 1275940, 1658722, 2551880, 3317444, 4146805, 5103760, 6634888, 8293610, 13269776, 16587220, 33174440, 66348880]

約数ペア:

[(1, 66348880), (2, 33174440), (4, 16587220), (5, 13269776), (8, 8293610), (10, 6634888), (13, 5103760), (16, 4146805), (20, 3317444), (26, 2551880), (40, 1658722), (52, 1275940), (65, 1020752), (80, 829361), (104, 637970), (130, 510376), (131, 506480), (208, 318985), (260, 255188), (262, 253240), (487, 136240), (520, 127594), (524, 126620), (655, 101296), (974, 68120), (1040, 63797), (1048, 63310), (1310, 50648), (1703, 38960), (1948, 34060), (2096, 31655), (2435, 27248), (2620, 25324), (3406, 19480), (3896, 17030), (4870, 13624), (5240, 12662), (6331, 10480), (6812, 9740), (7792, 8515)]