40912880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:546

約数の個数: 80

約数和(自身を含む): 102448800

約数和(自身を除く): 61535920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 449, 536, 670, 680, 898, 1072, 1139, 1340, 1360, 1796, 2245, 2278, 2680, 3592, 4490, 4556, 5360, 5695, 7184, 7633, 8980, 9112, 11390, 15266, 17960, 18224, 22780, 30083, 30532, 35920, 38165, 45560, 60166, 61064, 76330, 91120, 120332, 122128, 150415, 152660, 240664, 300830, 305320, 481328, 511411, 601660, 610640, 1022822, 1203320, 2045644, 2406640, 2557055, 4091288, 5114110, 8182576, 10228220, 20456440, 40912880]

約数ペア:

[(1, 40912880), (2, 20456440), (4, 10228220), (5, 8182576), (8, 5114110), (10, 4091288), (16, 2557055), (17, 2406640), (20, 2045644), (34, 1203320), (40, 1022822), (67, 610640), (68, 601660), (80, 511411), (85, 481328), (134, 305320), (136, 300830), (170, 240664), (268, 152660), (272, 150415), (335, 122128), (340, 120332), (449, 91120), (536, 76330), (670, 61064), (680, 60166), (898, 45560), (1072, 38165), (1139, 35920), (1340, 30532), (1360, 30083), (1796, 22780), (2245, 18224), (2278, 17960), (2680, 15266), (3592, 11390), (4490, 9112), (4556, 8980), (5360, 7633), (5695, 7184)]