82513971650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{643}}^1\times {\mathrm{21211}}^1$

素因数の和:21888

約数の個数: 72

約数和(自身を含む): 168967070832

約数和(自身を除く): 86453099182

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 643, 1210, 1286, 3025, 3215, 6050, 6430, 7073, 14146, 16075, 21211, 32150, 35365, 42422, 70730, 77803, 106055, 155606, 176825, 212110, 233321, 353650, 389015, 466642, 530275, 778030, 1060550, 1166605, 1945075, 2333210, 2566531, 3890150, 5133062, 5833025, 11666050, 12832655, 13638673, 25665310, 27277346, 64163275, 68193365, 128326550, 136386730, 150025403, 300050806, 340966825, 681933650, 750127015, 1500254030, 1650279433, 3300558866, 3750635075, 7501270150, 8251397165, 16502794330, 41256985825, 82513971650]

約数ペア:

[(1, 82513971650), (2, 41256985825), (5, 16502794330), (10, 8251397165), (11, 7501270150), (22, 3750635075), (25, 3300558866), (50, 1650279433), (55, 1500254030), (110, 750127015), (121, 681933650), (242, 340966825), (275, 300050806), (550, 150025403), (605, 136386730), (643, 128326550), (1210, 68193365), (1286, 64163275), (3025, 27277346), (3215, 25665310), (6050, 13638673), (6430, 12832655), (7073, 11666050), (14146, 5833025), (16075, 5133062), (21211, 3890150), (32150, 2566531), (35365, 2333210), (42422, 1945075), (70730, 1166605), (77803, 1060550), (106055, 778030), (155606, 530275), (176825, 466642), (212110, 389015), (233321, 353650)]