2609240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 6320160

約数和(自身を除く): 3710920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 43, 74, 82, 86, 148, 164, 172, 185, 205, 215, 296, 328, 344, 370, 410, 430, 740, 820, 860, 1480, 1517, 1591, 1640, 1720, 1763, 3034, 3182, 3526, 6068, 6364, 7052, 7585, 7955, 8815, 12136, 12728, 14104, 15170, 15910, 17630, 30340, 31820, 35260, 60680, 63640, 65231, 70520, 130462, 260924, 326155, 521848, 652310, 1304620, 2609240]

約数ペア:

[(1, 2609240), (2, 1304620), (4, 652310), (5, 521848), (8, 326155), (10, 260924), (20, 130462), (37, 70520), (40, 65231), (41, 63640), (43, 60680), (74, 35260), (82, 31820), (86, 30340), (148, 17630), (164, 15910), (172, 15170), (185, 14104), (205, 12728), (215, 12136), (296, 8815), (328, 7955), (344, 7585), (370, 7052), (410, 6364), (430, 6068), (740, 3526), (820, 3182), (860, 3034), (1480, 1763), (1517, 1720), (1591, 1640)]