42780760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8839}}^1$

素因数の和:8872

約数の個数: 48

約数和(自身を含む): 105814800

約数和(自身を除く): 63034040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 8839, 17678, 35356, 44195, 70712, 88390, 97229, 176780, 194458, 353560, 388916, 486145, 777832, 972290, 1069519, 1944580, 2139038, 3889160, 4278076, 5347595, 8556152, 10695190, 21390380, 42780760]

約数ペア:

[(1, 42780760), (2, 21390380), (4, 10695190), (5, 8556152), (8, 5347595), (10, 4278076), (11, 3889160), (20, 2139038), (22, 1944580), (40, 1069519), (44, 972290), (55, 777832), (88, 486145), (110, 388916), (121, 353560), (220, 194458), (242, 176780), (440, 97229), (484, 88390), (605, 70712), (968, 44195), (1210, 35356), (2420, 17678), (4840, 8839)]