40220144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1$

素因数の和:789

約数の個数: 40

約数和(自身を含む): 81185280

約数和(自身を除く): 40965136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 131, 248, 262, 496, 524, 619, 1048, 1238, 2096, 2476, 4061, 4952, 8122, 9904, 16244, 19189, 32488, 38378, 64976, 76756, 81089, 153512, 162178, 307024, 324356, 648712, 1297424, 2513759, 5027518, 10055036, 20110072, 40220144]

約数ペア:

[(1, 40220144), (2, 20110072), (4, 10055036), (8, 5027518), (16, 2513759), (31, 1297424), (62, 648712), (124, 324356), (131, 307024), (248, 162178), (262, 153512), (496, 81089), (524, 76756), (619, 64976), (1048, 38378), (1238, 32488), (2096, 19189), (2476, 16244), (4061, 9904), (4952, 8122)]