42240040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55579}}^1$

素因数の和:55609

約数の個数: 32

約数和(自身を含む): 100044000

約数和(自身を除く): 57803960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 55579, 111158, 222316, 277895, 444632, 555790, 1056001, 1111580, 2112002, 2223160, 4224004, 5280005, 8448008, 10560010, 21120020, 42240040]

約数ペア:

[(1, 42240040), (2, 21120020), (4, 10560010), (5, 8448008), (8, 5280005), (10, 4224004), (19, 2223160), (20, 2112002), (38, 1111580), (40, 1056001), (76, 555790), (95, 444632), (152, 277895), (190, 222316), (380, 111158), (760, 55579)]