8122880

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 80

約数和(自身を含む): 20623680

約数和(自身を除く): 12500800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 167, 190, 256, 304, 320, 334, 380, 512, 608, 640, 668, 760, 835, 1216, 1280, 1336, 1520, 1670, 2432, 2560, 2672, 3040, 3173, 3340, 4864, 5344, 6080, 6346, 6680, 9728, 10688, 12160, 12692, 13360, 15865, 21376, 24320, 25384, 26720, 31730, 42752, 48640, 50768, 53440, 63460, 85504, 101536, 106880, 126920, 203072, 213760, 253840, 406144, 427520, 507680, 812288, 1015360, 1624576, 2030720, 4061440, 8122880]

約数ペア:

[(1, 8122880), (2, 4061440), (4, 2030720), (5, 1624576), (8, 1015360), (10, 812288), (16, 507680), (19, 427520), (20, 406144), (32, 253840), (38, 213760), (40, 203072), (64, 126920), (76, 106880), (80, 101536), (95, 85504), (128, 63460), (152, 53440), (160, 50768), (167, 48640), (190, 42752), (256, 31730), (304, 26720), (320, 25384), (334, 24320), (380, 21376), (512, 15865), (608, 13360), (640, 12692), (668, 12160), (760, 10688), (835, 9728), (1216, 6680), (1280, 6346), (1336, 6080), (1520, 5344), (1670, 4864), (2432, 3340), (2560, 3173), (2672, 3040)]