40485920

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3203}}^1$

素因数の和:3297

約数の個数: 48

約数和(自身を含む): 96888960

約数和(自身を除く): 56403040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 3203, 6320, 6406, 12640, 12812, 16015, 25624, 32030, 51248, 64060, 102496, 128120, 253037, 256240, 506074, 512480, 1012148, 1265185, 2024296, 2530370, 4048592, 5060740, 8097184, 10121480, 20242960, 40485920]

約数ペア:

[(1, 40485920), (2, 20242960), (4, 10121480), (5, 8097184), (8, 5060740), (10, 4048592), (16, 2530370), (20, 2024296), (32, 1265185), (40, 1012148), (79, 512480), (80, 506074), (158, 256240), (160, 253037), (316, 128120), (395, 102496), (632, 64060), (790, 51248), (1264, 32030), (1580, 25624), (2528, 16015), (3160, 12812), (3203, 12640), (6320, 6406)]