38942080

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 94517280

約数和(自身を除く): 55575200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 857, 1136, 1420, 1714, 2272, 2840, 3428, 4285, 4544, 5680, 6856, 8570, 9088, 11360, 13712, 17140, 22720, 27424, 34280, 45440, 54848, 60847, 68560, 109696, 121694, 137120, 243388, 274240, 304235, 486776, 548480, 608470, 973552, 1216940, 1947104, 2433880, 3894208, 4867760, 7788416, 9735520, 19471040, 38942080]

約数ペア:

[(1, 38942080), (2, 19471040), (4, 9735520), (5, 7788416), (8, 4867760), (10, 3894208), (16, 2433880), (20, 1947104), (32, 1216940), (40, 973552), (64, 608470), (71, 548480), (80, 486776), (128, 304235), (142, 274240), (160, 243388), (284, 137120), (320, 121694), (355, 109696), (568, 68560), (640, 60847), (710, 54848), (857, 45440), (1136, 34280), (1420, 27424), (1714, 22720), (2272, 17140), (2840, 13712), (3428, 11360), (4285, 9088), (4544, 8570), (5680, 6856)]