42395980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17519}}^1$

素因数の和:17550

約数の個数: 36

約数和(自身を含む): 97866720

約数和(自身を除く): 55470740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 17519, 35038, 70076, 87595, 175190, 192709, 350380, 385418, 770836, 963545, 1927090, 2119799, 3854180, 4239598, 8479196, 10598995, 21197990, 42395980]

約数ペア:

[(1, 42395980), (2, 21197990), (4, 10598995), (5, 8479196), (10, 4239598), (11, 3854180), (20, 2119799), (22, 1927090), (44, 963545), (55, 770836), (110, 385418), (121, 350380), (220, 192709), (242, 175190), (484, 87595), (605, 70076), (1210, 35038), (2420, 17519)]