2015689720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4581113}}^1$

素因数の和:4581135

約数の個数: 32

約数和(自身を含む): 4947603120

約数和(自身を除く): 2931913400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4581113, 9162226, 18324452, 22905565, 36648904, 45811130, 50392243, 91622260, 100784486, 183244520, 201568972, 251961215, 403137944, 503922430, 1007844860, 2015689720]

約数ペア:

[(1, 2015689720), (2, 1007844860), (4, 503922430), (5, 403137944), (8, 251961215), (10, 201568972), (11, 183244520), (20, 100784486), (22, 91622260), (40, 50392243), (44, 45811130), (55, 36648904), (88, 22905565), (110, 18324452), (220, 9162226), (440, 4581113)]