2531320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{523}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 6272280

約数和(自身を除く): 3740960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 523, 605, 968, 1046, 1210, 2092, 2420, 2615, 4184, 4840, 5230, 5753, 10460, 11506, 20920, 23012, 28765, 46024, 57530, 63283, 115060, 126566, 230120, 253132, 316415, 506264, 632830, 1265660, 2531320]

約数ペア:

[(1, 2531320), (2, 1265660), (4, 632830), (5, 506264), (8, 316415), (10, 253132), (11, 230120), (20, 126566), (22, 115060), (40, 63283), (44, 57530), (55, 46024), (88, 28765), (110, 23012), (121, 20920), (220, 11506), (242, 10460), (440, 5753), (484, 5230), (523, 4840), (605, 4184), (968, 2615), (1046, 2420), (1210, 2092)]