11866640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 29968320

約数和(自身を除く): 18101680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 211, 296, 304, 370, 380, 422, 592, 703, 740, 760, 844, 1055, 1406, 1480, 1520, 1688, 2110, 2812, 2960, 3376, 3515, 4009, 4220, 5624, 7030, 7807, 8018, 8440, 11248, 14060, 15614, 16036, 16880, 20045, 28120, 31228, 32072, 39035, 40090, 56240, 62456, 64144, 78070, 80180, 124912, 148333, 156140, 160360, 296666, 312280, 320720, 593332, 624560, 741665, 1186664, 1483330, 2373328, 2966660, 5933320, 11866640]

約数ペア:

[(1, 11866640), (2, 5933320), (4, 2966660), (5, 2373328), (8, 1483330), (10, 1186664), (16, 741665), (19, 624560), (20, 593332), (37, 320720), (38, 312280), (40, 296666), (74, 160360), (76, 156140), (80, 148333), (95, 124912), (148, 80180), (152, 78070), (185, 64144), (190, 62456), (211, 56240), (296, 40090), (304, 39035), (370, 32072), (380, 31228), (422, 28120), (592, 20045), (703, 16880), (740, 16036), (760, 15614), (844, 14060), (1055, 11248), (1406, 8440), (1480, 8018), (1520, 7807), (1688, 7030), (2110, 5624), (2812, 4220), (2960, 4009), (3376, 3515)]