15625100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 36018528

約数和(自身を除く): 20393428

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 41, 50, 74, 82, 100, 103, 148, 164, 185, 205, 206, 370, 410, 412, 515, 740, 820, 925, 1025, 1030, 1517, 1850, 2050, 2060, 2575, 3034, 3700, 3811, 4100, 4223, 5150, 6068, 7585, 7622, 8446, 10300, 15170, 15244, 16892, 19055, 21115, 30340, 37925, 38110, 42230, 75850, 76220, 84460, 95275, 105575, 151700, 156251, 190550, 211150, 312502, 381100, 422300, 625004, 781255, 1562510, 3125020, 3906275, 7812550, 15625100]

約数ペア:

[(1, 15625100), (2, 7812550), (4, 3906275), (5, 3125020), (10, 1562510), (20, 781255), (25, 625004), (37, 422300), (41, 381100), (50, 312502), (74, 211150), (82, 190550), (100, 156251), (103, 151700), (148, 105575), (164, 95275), (185, 84460), (205, 76220), (206, 75850), (370, 42230), (410, 38110), (412, 37925), (515, 30340), (740, 21115), (820, 19055), (925, 16892), (1025, 15244), (1030, 15170), (1517, 10300), (1850, 8446), (2050, 7622), (2060, 7585), (2575, 6068), (3034, 5150), (3700, 4223), (3811, 4100)]