11138920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 27901440

約数和(自身を除く): 16762520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 691, 806, 1240, 1382, 1612, 2015, 2764, 3224, 3455, 4030, 5528, 6910, 8060, 8983, 13820, 16120, 17966, 21421, 27640, 35932, 42842, 44915, 71864, 85684, 89830, 107105, 171368, 179660, 214210, 278473, 359320, 428420, 556946, 856840, 1113892, 1392365, 2227784, 2784730, 5569460, 11138920]

約数ペア:

[(1, 11138920), (2, 5569460), (4, 2784730), (5, 2227784), (8, 1392365), (10, 1113892), (13, 856840), (20, 556946), (26, 428420), (31, 359320), (40, 278473), (52, 214210), (62, 179660), (65, 171368), (104, 107105), (124, 89830), (130, 85684), (155, 71864), (248, 44915), (260, 42842), (310, 35932), (403, 27640), (520, 21421), (620, 17966), (691, 16120), (806, 13820), (1240, 8983), (1382, 8060), (1612, 6910), (2015, 5528), (2764, 4030), (3224, 3455)]