78610480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{577}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 198674784

約数和(自身を除く): 120064304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 577, 655, 1040, 1048, 1154, 1310, 1703, 2096, 2308, 2620, 2885, 3406, 4616, 5240, 5770, 6812, 7501, 8515, 9232, 10480, 11540, 13624, 15002, 17030, 23080, 27248, 30004, 34060, 37505, 46160, 60008, 68120, 75010, 75587, 120016, 136240, 150020, 151174, 300040, 302348, 377935, 600080, 604696, 755870, 982631, 1209392, 1511740, 1965262, 3023480, 3930524, 4913155, 6046960, 7861048, 9826310, 15722096, 19652620, 39305240, 78610480]

約数ペア:

[(1, 78610480), (2, 39305240), (4, 19652620), (5, 15722096), (8, 9826310), (10, 7861048), (13, 6046960), (16, 4913155), (20, 3930524), (26, 3023480), (40, 1965262), (52, 1511740), (65, 1209392), (80, 982631), (104, 755870), (130, 604696), (131, 600080), (208, 377935), (260, 302348), (262, 300040), (520, 151174), (524, 150020), (577, 136240), (655, 120016), (1040, 75587), (1048, 75010), (1154, 68120), (1310, 60008), (1703, 46160), (2096, 37505), (2308, 34060), (2620, 30004), (2885, 27248), (3406, 23080), (4616, 17030), (5240, 15002), (5770, 13624), (6812, 11540), (7501, 10480), (8515, 9232)]