27406790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 51287040

約数和(自身を除く): 23880250

約数列:

[1, 2, 5, 10, 31, 62, 155, 211, 310, 419, 422, 838, 1055, 2095, 2110, 4190, 6541, 12989, 13082, 25978, 32705, 64945, 65410, 88409, 129890, 176818, 442045, 884090, 2740679, 5481358, 13703395, 27406790]

約数ペア:

[(1, 27406790), (2, 13703395), (5, 5481358), (10, 2740679), (31, 884090), (62, 442045), (155, 176818), (211, 129890), (310, 88409), (419, 65410), (422, 64945), (838, 32705), (1055, 25978), (2095, 13082), (2110, 12989), (4190, 6541)]