22265440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:180

約数の個数: 72

約数和(自身を含む): 55121472

約数和(自身を除く): 32856032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 67, 80, 124, 134, 155, 160, 248, 268, 310, 335, 496, 536, 620, 670, 992, 1072, 1240, 1340, 2077, 2144, 2480, 2680, 4154, 4489, 4960, 5360, 8308, 8978, 10385, 10720, 16616, 17956, 20770, 22445, 33232, 35912, 41540, 44890, 66464, 71824, 83080, 89780, 139159, 143648, 166160, 179560, 278318, 332320, 359120, 556636, 695795, 718240, 1113272, 1391590, 2226544, 2783180, 4453088, 5566360, 11132720, 22265440]

約数ペア:

[(1, 22265440), (2, 11132720), (4, 5566360), (5, 4453088), (8, 2783180), (10, 2226544), (16, 1391590), (20, 1113272), (31, 718240), (32, 695795), (40, 556636), (62, 359120), (67, 332320), (80, 278318), (124, 179560), (134, 166160), (155, 143648), (160, 139159), (248, 89780), (268, 83080), (310, 71824), (335, 66464), (496, 44890), (536, 41540), (620, 35912), (670, 33232), (992, 22445), (1072, 20770), (1240, 17956), (1340, 16616), (2077, 10720), (2144, 10385), (2480, 8978), (2680, 8308), (4154, 5360), (4489, 4960)]