82016800

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:830

約数の個数: 72

約数和(自身を含む): 201807396

約数和(自身を除く): 119790596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 314, 400, 628, 653, 785, 800, 1256, 1306, 1570, 2512, 2612, 3140, 3265, 3925, 5024, 5224, 6280, 6530, 7850, 10448, 12560, 13060, 15700, 16325, 20896, 25120, 26120, 31400, 32650, 52240, 62800, 65300, 102521, 104480, 125600, 130600, 205042, 261200, 410084, 512605, 522400, 820168, 1025210, 1640336, 2050420, 2563025, 3280672, 4100840, 5126050, 8201680, 10252100, 16403360, 20504200, 41008400, 82016800]

約数ペア:

[(1, 82016800), (2, 41008400), (4, 20504200), (5, 16403360), (8, 10252100), (10, 8201680), (16, 5126050), (20, 4100840), (25, 3280672), (32, 2563025), (40, 2050420), (50, 1640336), (80, 1025210), (100, 820168), (157, 522400), (160, 512605), (200, 410084), (314, 261200), (400, 205042), (628, 130600), (653, 125600), (785, 104480), (800, 102521), (1256, 65300), (1306, 62800), (1570, 52240), (2512, 32650), (2612, 31400), (3140, 26120), (3265, 25120), (3925, 20896), (5024, 16325), (5224, 15700), (6280, 13060), (6530, 12560), (7850, 10448)]