1665142720

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{40973}}^1$

素因数の和:41117

約数の個数: 56

約数和(自身を含む): 3996440064

約数和(自身を除く): 2331297344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 20320, 40640, 40973, 81946, 163892, 204865, 327784, 409730, 655568, 819460, 1311136, 1638920, 2622272, 3277840, 5203571, 6555680, 10407142, 13111360, 20814284, 26017855, 41628568, 52035710, 83257136, 104071420, 166514272, 208142840, 333028544, 416285680, 832571360, 1665142720]

約数ペア:

[(1, 1665142720), (2, 832571360), (4, 416285680), (5, 333028544), (8, 208142840), (10, 166514272), (16, 104071420), (20, 83257136), (32, 52035710), (40, 41628568), (64, 26017855), (80, 20814284), (127, 13111360), (160, 10407142), (254, 6555680), (320, 5203571), (508, 3277840), (635, 2622272), (1016, 1638920), (1270, 1311136), (2032, 819460), (2540, 655568), (4064, 409730), (5080, 327784), (8128, 204865), (10160, 163892), (20320, 81946), (40640, 40973)]