12986786300

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{811}}^1\times {\mathrm{2027}}^1$

素因数の和:2931

約数の個数: 72

約数和(自身を含む): 28587336960

約数和(自身を除く): 15600550660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 811, 1580, 1622, 1975, 2027, 3244, 3950, 4054, 4055, 7900, 8108, 8110, 10135, 16220, 20270, 20275, 40540, 40550, 50675, 64069, 81100, 101350, 128138, 160133, 202700, 256276, 320266, 320345, 640532, 640690, 800665, 1281380, 1601330, 1601725, 1643897, 3202660, 3203450, 3287794, 4003325, 6406900, 6575588, 8006650, 8219485, 16013300, 16438970, 32877940, 41097425, 82194850, 129867863, 164389700, 259735726, 519471452, 649339315, 1298678630, 2597357260, 3246696575, 6493393150, 12986786300]

約数ペア:

[(1, 12986786300), (2, 6493393150), (4, 3246696575), (5, 2597357260), (10, 1298678630), (20, 649339315), (25, 519471452), (50, 259735726), (79, 164389700), (100, 129867863), (158, 82194850), (316, 41097425), (395, 32877940), (790, 16438970), (811, 16013300), (1580, 8219485), (1622, 8006650), (1975, 6575588), (2027, 6406900), (3244, 4003325), (3950, 3287794), (4054, 3203450), (4055, 3202660), (7900, 1643897), (8108, 1601725), (8110, 1601330), (10135, 1281380), (16220, 800665), (20270, 640690), (20275, 640532), (40540, 320345), (40550, 320266), (50675, 256276), (64069, 202700), (81100, 160133), (101350, 128138)]