42609880

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 99144000

約数和(自身を除く): 56534120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 199, 202, 212, 265, 398, 404, 424, 505, 530, 796, 808, 995, 1010, 1060, 1592, 1990, 2020, 2120, 3980, 4040, 5353, 7960, 10547, 10706, 20099, 21094, 21412, 26765, 40198, 42188, 42824, 52735, 53530, 80396, 84376, 100495, 105470, 107060, 160792, 200990, 210940, 214120, 401980, 421880, 803960, 1065247, 2130494, 4260988, 5326235, 8521976, 10652470, 21304940, 42609880]

約数ペア:

[(1, 42609880), (2, 21304940), (4, 10652470), (5, 8521976), (8, 5326235), (10, 4260988), (20, 2130494), (40, 1065247), (53, 803960), (101, 421880), (106, 401980), (199, 214120), (202, 210940), (212, 200990), (265, 160792), (398, 107060), (404, 105470), (424, 100495), (505, 84376), (530, 80396), (796, 53530), (808, 52735), (995, 42824), (1010, 42188), (1060, 40198), (1592, 26765), (1990, 21412), (2020, 21094), (2120, 20099), (3980, 10706), (4040, 10547), (5353, 7960)]