84965120

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 208610640

約数和(自身を除く): 123645520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 640, 656, 820, 1280, 1312, 1619, 1640, 2624, 3238, 3280, 5248, 6476, 6560, 8095, 10496, 12952, 13120, 16190, 25904, 26240, 32380, 51808, 52480, 64760, 66379, 103616, 129520, 132758, 207232, 259040, 265516, 331895, 414464, 518080, 531032, 663790, 1036160, 1062064, 1327580, 2072320, 2124128, 2655160, 4248256, 5310320, 8496512, 10620640, 16993024, 21241280, 42482560, 84965120]

約数ペア:

[(1, 84965120), (2, 42482560), (4, 21241280), (5, 16993024), (8, 10620640), (10, 8496512), (16, 5310320), (20, 4248256), (32, 2655160), (40, 2124128), (41, 2072320), (64, 1327580), (80, 1062064), (82, 1036160), (128, 663790), (160, 531032), (164, 518080), (205, 414464), (256, 331895), (320, 265516), (328, 259040), (410, 207232), (640, 132758), (656, 129520), (820, 103616), (1280, 66379), (1312, 64760), (1619, 52480), (1640, 51808), (2624, 32380), (3238, 26240), (3280, 25904), (5248, 16190), (6476, 13120), (6560, 12952), (8095, 10496)]