81880032

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65609}}^1$

素因数の和:65635

約数の個数: 48

約数和(自身を含む): 231472080

約数和(自身を除く): 149592048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 65609, 131218, 196827, 262436, 393654, 524872, 787308, 852917, 1049744, 1574616, 1705834, 2099488, 2558751, 3149232, 3411668, 5117502, 6298464, 6823336, 10235004, 13646672, 20470008, 27293344, 40940016, 81880032]

約数ペア:

[(1, 81880032), (2, 40940016), (3, 27293344), (4, 20470008), (6, 13646672), (8, 10235004), (12, 6823336), (13, 6298464), (16, 5117502), (24, 3411668), (26, 3149232), (32, 2558751), (39, 2099488), (48, 1705834), (52, 1574616), (78, 1049744), (96, 852917), (104, 787308), (156, 524872), (208, 393654), (312, 262436), (416, 196827), (624, 131218), (1248, 65609)]