39656420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 88838400

約数和(自身を除く): 49181980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1321, 1501, 1580, 2642, 3002, 5284, 6004, 6605, 7505, 13210, 15010, 25099, 26420, 30020, 50198, 100396, 104359, 125495, 208718, 250990, 417436, 501980, 521795, 1043590, 1982821, 2087180, 3965642, 7931284, 9914105, 19828210, 39656420]

約数ペア:

[(1, 39656420), (2, 19828210), (4, 9914105), (5, 7931284), (10, 3965642), (19, 2087180), (20, 1982821), (38, 1043590), (76, 521795), (79, 501980), (95, 417436), (158, 250990), (190, 208718), (316, 125495), (380, 104359), (395, 100396), (790, 50198), (1321, 30020), (1501, 26420), (1580, 25099), (2642, 15010), (3002, 13210), (5284, 7505), (6004, 6605)]