12803480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 30451680

約数和(自身を除く): 17648200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 211, 296, 328, 370, 410, 422, 740, 820, 844, 1055, 1480, 1517, 1640, 1688, 2110, 3034, 4220, 6068, 7585, 7807, 8440, 8651, 12136, 15170, 15614, 17302, 30340, 31228, 34604, 39035, 43255, 60680, 62456, 69208, 78070, 86510, 156140, 173020, 312280, 320087, 346040, 640174, 1280348, 1600435, 2560696, 3200870, 6401740, 12803480]

約数ペア:

[(1, 12803480), (2, 6401740), (4, 3200870), (5, 2560696), (8, 1600435), (10, 1280348), (20, 640174), (37, 346040), (40, 320087), (41, 312280), (74, 173020), (82, 156140), (148, 86510), (164, 78070), (185, 69208), (205, 62456), (211, 60680), (296, 43255), (328, 39035), (370, 34604), (410, 31228), (422, 30340), (740, 17302), (820, 15614), (844, 15170), (1055, 12136), (1480, 8651), (1517, 8440), (1640, 7807), (1688, 7585), (2110, 6068), (3034, 4220)]