38529880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 89424000

約数和(自身を除く): 50894120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 89, 137, 158, 178, 274, 316, 356, 395, 445, 548, 632, 685, 712, 790, 890, 1096, 1370, 1580, 1780, 2740, 3160, 3560, 5480, 7031, 10823, 12193, 14062, 21646, 24386, 28124, 35155, 43292, 48772, 54115, 56248, 60965, 70310, 86584, 97544, 108230, 121930, 140620, 216460, 243860, 281240, 432920, 487720, 963247, 1926494, 3852988, 4816235, 7705976, 9632470, 19264940, 38529880]

約数ペア:

[(1, 38529880), (2, 19264940), (4, 9632470), (5, 7705976), (8, 4816235), (10, 3852988), (20, 1926494), (40, 963247), (79, 487720), (89, 432920), (137, 281240), (158, 243860), (178, 216460), (274, 140620), (316, 121930), (356, 108230), (395, 97544), (445, 86584), (548, 70310), (632, 60965), (685, 56248), (712, 54115), (790, 48772), (890, 43292), (1096, 35155), (1370, 28124), (1580, 24386), (1780, 21646), (2740, 14062), (3160, 12193), (3560, 10823), (5480, 7031)]