42695560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 99665280

約数和(自身を除く): 56969720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 241, 344, 412, 430, 482, 515, 824, 860, 964, 1030, 1205, 1720, 1928, 2060, 2410, 4120, 4429, 4820, 8858, 9640, 10363, 17716, 20726, 22145, 24823, 35432, 41452, 44290, 49646, 51815, 82904, 88580, 99292, 103630, 124115, 177160, 198584, 207260, 248230, 414520, 496460, 992920, 1067389, 2134778, 4269556, 5336945, 8539112, 10673890, 21347780, 42695560]

約数ペア:

[(1, 42695560), (2, 21347780), (4, 10673890), (5, 8539112), (8, 5336945), (10, 4269556), (20, 2134778), (40, 1067389), (43, 992920), (86, 496460), (103, 414520), (172, 248230), (206, 207260), (215, 198584), (241, 177160), (344, 124115), (412, 103630), (430, 99292), (482, 88580), (515, 82904), (824, 51815), (860, 49646), (964, 44290), (1030, 41452), (1205, 35432), (1720, 24823), (1928, 22145), (2060, 20726), (2410, 17716), (4120, 10363), (4429, 9640), (4820, 8858)]