39816760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 92534400

約数和(自身を除く): 52717640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 83, 134, 166, 179, 268, 332, 335, 358, 415, 536, 664, 670, 716, 830, 895, 1340, 1432, 1660, 1790, 2680, 3320, 3580, 5561, 7160, 11122, 11993, 14857, 22244, 23986, 27805, 29714, 44488, 47972, 55610, 59428, 59965, 74285, 95944, 111220, 118856, 119930, 148570, 222440, 239860, 297140, 479720, 594280, 995419, 1990838, 3981676, 4977095, 7963352, 9954190, 19908380, 39816760]

約数ペア:

[(1, 39816760), (2, 19908380), (4, 9954190), (5, 7963352), (8, 4977095), (10, 3981676), (20, 1990838), (40, 995419), (67, 594280), (83, 479720), (134, 297140), (166, 239860), (179, 222440), (268, 148570), (332, 119930), (335, 118856), (358, 111220), (415, 95944), (536, 74285), (664, 59965), (670, 59428), (716, 55610), (830, 47972), (895, 44488), (1340, 29714), (1432, 27805), (1660, 23986), (1790, 22244), (2680, 14857), (3320, 11993), (3580, 11122), (5561, 7160)]