25760320

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1115

約数の個数: 56

約数和(自身を含む): 62179200

約数和(自身を除く): 36418880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1019, 1264, 1580, 2038, 2528, 3160, 4076, 5056, 5095, 6320, 8152, 10190, 12640, 16304, 20380, 25280, 32608, 40760, 65216, 80501, 81520, 161002, 163040, 322004, 326080, 402505, 644008, 805010, 1288016, 1610020, 2576032, 3220040, 5152064, 6440080, 12880160, 25760320]

約数ペア:

[(1, 25760320), (2, 12880160), (4, 6440080), (5, 5152064), (8, 3220040), (10, 2576032), (16, 1610020), (20, 1288016), (32, 805010), (40, 644008), (64, 402505), (79, 326080), (80, 322004), (158, 163040), (160, 161002), (316, 81520), (320, 80501), (395, 65216), (632, 40760), (790, 32608), (1019, 25280), (1264, 20380), (1580, 16304), (2038, 12640), (2528, 10190), (3160, 8152), (4076, 6320), (5056, 5095)]