38946400

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:656

約数の個数: 72

約数和(自身を含む): 96321960

約数和(自身を除く): 57375560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 356, 400, 445, 547, 712, 800, 890, 1094, 1424, 1780, 2188, 2225, 2735, 2848, 3560, 4376, 4450, 5470, 7120, 8752, 8900, 10940, 13675, 14240, 17504, 17800, 21880, 27350, 35600, 43760, 48683, 54700, 71200, 87520, 97366, 109400, 194732, 218800, 243415, 389464, 437600, 486830, 778928, 973660, 1217075, 1557856, 1947320, 2434150, 3894640, 4868300, 7789280, 9736600, 19473200, 38946400]

約数ペア:

[(1, 38946400), (2, 19473200), (4, 9736600), (5, 7789280), (8, 4868300), (10, 3894640), (16, 2434150), (20, 1947320), (25, 1557856), (32, 1217075), (40, 973660), (50, 778928), (80, 486830), (89, 437600), (100, 389464), (160, 243415), (178, 218800), (200, 194732), (356, 109400), (400, 97366), (445, 87520), (547, 71200), (712, 54700), (800, 48683), (890, 43760), (1094, 35600), (1424, 27350), (1780, 21880), (2188, 17800), (2225, 17504), (2735, 14240), (2848, 13675), (3560, 10940), (4376, 8900), (4450, 8752), (5470, 7120)]