78208240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88873}}^1$

素因数の和:88897

約数の個数: 40

約数和(自身を含む): 198366768

約数和(自身を除く): 120158528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 88873, 177746, 355492, 444365, 710984, 888730, 977603, 1421968, 1777460, 1955206, 3554920, 3910412, 4888015, 7109840, 7820824, 9776030, 15641648, 19552060, 39104120, 78208240]

約数ペア:

[(1, 78208240), (2, 39104120), (4, 19552060), (5, 15641648), (8, 9776030), (10, 7820824), (11, 7109840), (16, 4888015), (20, 3910412), (22, 3554920), (40, 1955206), (44, 1777460), (55, 1421968), (80, 977603), (88, 888730), (110, 710984), (176, 444365), (220, 355492), (440, 177746), (880, 88873)]