65776240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19121}}^1$

素因数の和:19177

約数の個数: 40

約数和(自身を含む): 156494448

約数和(自身を除く): 90718208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19121, 38242, 76484, 95605, 152968, 191210, 305936, 382420, 764840, 822203, 1529680, 1644406, 3288812, 4111015, 6577624, 8222030, 13155248, 16444060, 32888120, 65776240]

約数ペア:

[(1, 65776240), (2, 32888120), (4, 16444060), (5, 13155248), (8, 8222030), (10, 6577624), (16, 4111015), (20, 3288812), (40, 1644406), (43, 1529680), (80, 822203), (86, 764840), (172, 382420), (215, 305936), (344, 191210), (430, 152968), (688, 95605), (860, 76484), (1720, 38242), (3440, 19121)]