71234720

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3203}}^1$

素因数の和:3357

約数の個数: 48

約数和(自身を含む): 169555680

約数和(自身を除く): 98320960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3203, 4448, 5560, 6406, 11120, 12812, 16015, 22240, 25624, 32030, 51248, 64060, 102496, 128120, 256240, 445217, 512480, 890434, 1780868, 2226085, 3561736, 4452170, 7123472, 8904340, 14246944, 17808680, 35617360, 71234720]

約数ペア:

[(1, 71234720), (2, 35617360), (4, 17808680), (5, 14246944), (8, 8904340), (10, 7123472), (16, 4452170), (20, 3561736), (32, 2226085), (40, 1780868), (80, 890434), (139, 512480), (160, 445217), (278, 256240), (556, 128120), (695, 102496), (1112, 64060), (1390, 51248), (2224, 32030), (2780, 25624), (3203, 22240), (4448, 16015), (5560, 12812), (6406, 11120)]