51386530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 105670656

約数和(自身を除く): 54284126

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 205, 310, 311, 403, 410, 533, 622, 806, 1066, 1271, 1555, 2015, 2542, 2665, 3110, 4030, 4043, 5330, 6355, 8086, 9641, 12710, 12751, 16523, 19282, 20215, 25502, 33046, 40430, 48205, 63755, 82615, 96410, 125333, 127510, 165230, 165763, 250666, 331526, 395281, 626665, 790562, 828815, 1253330, 1657630, 1976405, 3952810, 5138653, 10277306, 25693265, 51386530]

約数ペア:

[(1, 51386530), (2, 25693265), (5, 10277306), (10, 5138653), (13, 3952810), (26, 1976405), (31, 1657630), (41, 1253330), (62, 828815), (65, 790562), (82, 626665), (130, 395281), (155, 331526), (205, 250666), (310, 165763), (311, 165230), (403, 127510), (410, 125333), (533, 96410), (622, 82615), (806, 63755), (1066, 48205), (1271, 40430), (1555, 33046), (2015, 25502), (2542, 20215), (2665, 19282), (3110, 16523), (4030, 12751), (4043, 12710), (5330, 9641), (6355, 8086)]