38736640

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 94702608

約数和(自身を除く): 55965968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 571, 640, 848, 1060, 1142, 1280, 1696, 2120, 2284, 2855, 3392, 4240, 4568, 5710, 6784, 8480, 9136, 11420, 13568, 16960, 18272, 22840, 30263, 33920, 36544, 45680, 60526, 67840, 73088, 91360, 121052, 146176, 151315, 182720, 242104, 302630, 365440, 484208, 605260, 730880, 968416, 1210520, 1936832, 2421040, 3873664, 4842080, 7747328, 9684160, 19368320, 38736640]

約数ペア:

[(1, 38736640), (2, 19368320), (4, 9684160), (5, 7747328), (8, 4842080), (10, 3873664), (16, 2421040), (20, 1936832), (32, 1210520), (40, 968416), (53, 730880), (64, 605260), (80, 484208), (106, 365440), (128, 302630), (160, 242104), (212, 182720), (256, 151315), (265, 146176), (320, 121052), (424, 91360), (530, 73088), (571, 67840), (640, 60526), (848, 45680), (1060, 36544), (1142, 33920), (1280, 30263), (1696, 22840), (2120, 18272), (2284, 16960), (2855, 13568), (3392, 11420), (4240, 9136), (4568, 8480), (5710, 6784)]