28737040

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4547}}^1$

素因数の和:4639

約数の個数: 40

約数和(自身を含む): 67674240

約数和(自身を除く): 38937200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4547, 6320, 9094, 18188, 22735, 36376, 45470, 72752, 90940, 181880, 359213, 363760, 718426, 1436852, 1796065, 2873704, 3592130, 5747408, 7184260, 14368520, 28737040]

約数ペア:

[(1, 28737040), (2, 14368520), (4, 7184260), (5, 5747408), (8, 3592130), (10, 2873704), (16, 1796065), (20, 1436852), (40, 718426), (79, 363760), (80, 359213), (158, 181880), (316, 90940), (395, 72752), (632, 45470), (790, 36376), (1264, 22735), (1580, 18188), (3160, 9094), (4547, 6320)]