28784920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{12197}}^1$

素因数の和:12267

約数の個数: 32

約数和(自身を含む): 65869200

約数和(自身を除く): 37084280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 12197, 24394, 48788, 60985, 97576, 121970, 243940, 487880, 719623, 1439246, 2878492, 3598115, 5756984, 7196230, 14392460, 28784920]

約数ペア:

[(1, 28784920), (2, 14392460), (4, 7196230), (5, 5756984), (8, 3598115), (10, 2878492), (20, 1439246), (40, 719623), (59, 487880), (118, 243940), (236, 121970), (295, 97576), (472, 60985), (590, 48788), (1180, 24394), (2360, 12197)]