142259920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161659}}^1$

素因数の和:161683

約数の個数: 40

約数和(自身を含む): 360825120

約数和(自身を除く): 218565200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 161659, 323318, 646636, 808295, 1293272, 1616590, 1778249, 2586544, 3233180, 3556498, 6466360, 7112996, 8891245, 12932720, 14225992, 17782490, 28451984, 35564980, 71129960, 142259920]

約数ペア:

[(1, 142259920), (2, 71129960), (4, 35564980), (5, 28451984), (8, 17782490), (10, 14225992), (11, 12932720), (16, 8891245), (20, 7112996), (22, 6466360), (40, 3556498), (44, 3233180), (55, 2586544), (80, 1778249), (88, 1616590), (110, 1293272), (176, 808295), (220, 646636), (440, 323318), (880, 161659)]