40213760

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 97682760

約数和(自身を除く): 57469000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 353, 356, 445, 640, 706, 712, 890, 1280, 1412, 1424, 1765, 1780, 2824, 2848, 3530, 3560, 5648, 5696, 7060, 7120, 11296, 11392, 14120, 14240, 22592, 22784, 28240, 28480, 31417, 45184, 56480, 56960, 62834, 90368, 112960, 113920, 125668, 157085, 225920, 251336, 314170, 451840, 502672, 628340, 1005344, 1256680, 2010688, 2513360, 4021376, 5026720, 8042752, 10053440, 20106880, 40213760]

約数ペア:

[(1, 40213760), (2, 20106880), (4, 10053440), (5, 8042752), (8, 5026720), (10, 4021376), (16, 2513360), (20, 2010688), (32, 1256680), (40, 1005344), (64, 628340), (80, 502672), (89, 451840), (128, 314170), (160, 251336), (178, 225920), (256, 157085), (320, 125668), (353, 113920), (356, 112960), (445, 90368), (640, 62834), (706, 56960), (712, 56480), (890, 45184), (1280, 31417), (1412, 28480), (1424, 28240), (1765, 22784), (1780, 22592), (2824, 14240), (2848, 14120), (3530, 11392), (3560, 11296), (5648, 7120), (5696, 7060)]