40945600

素因数分解:

$2^6\times 5^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:342

約数の個数: 84

約数和(自身を含む): 102015544

約数和(自身を除く): 61069944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 157, 160, 163, 200, 314, 320, 326, 400, 628, 652, 785, 800, 815, 1256, 1304, 1570, 1600, 1630, 2512, 2608, 3140, 3260, 3925, 4075, 5024, 5216, 6280, 6520, 7850, 8150, 10048, 10432, 12560, 13040, 15700, 16300, 25120, 25591, 26080, 31400, 32600, 50240, 51182, 52160, 62800, 65200, 102364, 125600, 127955, 130400, 204728, 251200, 255910, 260800, 409456, 511820, 639775, 818912, 1023640, 1279550, 1637824, 2047280, 2559100, 4094560, 5118200, 8189120, 10236400, 20472800, 40945600]

約数ペア:

[(1, 40945600), (2, 20472800), (4, 10236400), (5, 8189120), (8, 5118200), (10, 4094560), (16, 2559100), (20, 2047280), (25, 1637824), (32, 1279550), (40, 1023640), (50, 818912), (64, 639775), (80, 511820), (100, 409456), (157, 260800), (160, 255910), (163, 251200), (200, 204728), (314, 130400), (320, 127955), (326, 125600), (400, 102364), (628, 65200), (652, 62800), (785, 52160), (800, 51182), (815, 50240), (1256, 32600), (1304, 31400), (1570, 26080), (1600, 25591), (1630, 25120), (2512, 16300), (2608, 15700), (3140, 13040), (3260, 12560), (3925, 10432), (4075, 10048), (5024, 8150), (5216, 7850), (6280, 6520)]