85425860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4159}}^1$

素因数の和:4260

約数の個数: 48

約数和(自身を含む): 195686400

約数和(自身を除く): 110260540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 4159, 5135, 8318, 10270, 16636, 20540, 20795, 41590, 54067, 83180, 108134, 216268, 270335, 328561, 540670, 657122, 1081340, 1314244, 1642805, 3285610, 4271293, 6571220, 8542586, 17085172, 21356465, 42712930, 85425860]

約数ペア:

[(1, 85425860), (2, 42712930), (4, 21356465), (5, 17085172), (10, 8542586), (13, 6571220), (20, 4271293), (26, 3285610), (52, 1642805), (65, 1314244), (79, 1081340), (130, 657122), (158, 540670), (260, 328561), (316, 270335), (395, 216268), (790, 108134), (1027, 83180), (1580, 54067), (2054, 41590), (4108, 20795), (4159, 20540), (5135, 16636), (8318, 10270)]