40207210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1451}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 77153472

約数和(自身を除く): 36946262

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 326, 815, 1451, 1630, 2771, 2902, 5542, 7255, 13855, 14510, 24667, 27710, 49334, 123335, 236513, 246670, 473026, 1182565, 2365130, 4020721, 8041442, 20103605, 40207210]

約数ペア:

[(1, 40207210), (2, 20103605), (5, 8041442), (10, 4020721), (17, 2365130), (34, 1182565), (85, 473026), (163, 246670), (170, 236513), (326, 123335), (815, 49334), (1451, 27710), (1630, 24667), (2771, 14510), (2902, 13855), (5542, 7255)]