7131482500

素因数分解:

$2^2\times 5^4\times {\mathrm{353}}^1\times {\mathrm{8081}}^1$

素因数の和:8458

約数の個数: 60

約数和(自身を含む): 15641240076

約数和(自身を除く): 8509757576

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 353, 500, 625, 706, 1250, 1412, 1765, 2500, 3530, 7060, 8081, 8825, 16162, 17650, 32324, 35300, 40405, 44125, 80810, 88250, 161620, 176500, 202025, 220625, 404050, 441250, 808100, 882500, 1010125, 2020250, 2852593, 4040500, 5050625, 5705186, 10101250, 11410372, 14262965, 20202500, 28525930, 57051860, 71314825, 142629650, 285259300, 356574125, 713148250, 1426296500, 1782870625, 3565741250, 7131482500]

約数ペア:

[(1, 7131482500), (2, 3565741250), (4, 1782870625), (5, 1426296500), (10, 713148250), (20, 356574125), (25, 285259300), (50, 142629650), (100, 71314825), (125, 57051860), (250, 28525930), (353, 20202500), (500, 14262965), (625, 11410372), (706, 10101250), (1250, 5705186), (1412, 5050625), (1765, 4040500), (2500, 2852593), (3530, 2020250), (7060, 1010125), (8081, 882500), (8825, 808100), (16162, 441250), (17650, 404050), (32324, 220625), (35300, 202025), (40405, 176500), (44125, 161620), (80810, 88250)]