161389120

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12301}}^1$

素因数の和:12359

約数の個数: 56

約数和(自身を含む): 393713208

約数和(自身を除く): 232324088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 12301, 13120, 24602, 49204, 61505, 98408, 123010, 196816, 246020, 393632, 492040, 504341, 787264, 984080, 1008682, 1968160, 2017364, 2521705, 3936320, 4034728, 5043410, 8069456, 10086820, 16138912, 20173640, 32277824, 40347280, 80694560, 161389120]

約数ペア:

[(1, 161389120), (2, 80694560), (4, 40347280), (5, 32277824), (8, 20173640), (10, 16138912), (16, 10086820), (20, 8069456), (32, 5043410), (40, 4034728), (41, 3936320), (64, 2521705), (80, 2017364), (82, 1968160), (160, 1008682), (164, 984080), (205, 787264), (320, 504341), (328, 492040), (410, 393632), (656, 246020), (820, 196816), (1312, 123010), (1640, 98408), (2624, 61505), (3280, 49204), (6560, 24602), (12301, 13120)]