29991320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10271}}^1$

素因数の和:10355

約数の個数: 32

約数和(自身を含む): 68411520

約数和(自身を除く): 38420200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 10271, 20542, 41084, 51355, 82168, 102710, 205420, 410840, 749783, 1499566, 2999132, 3748915, 5998264, 7497830, 14995660, 29991320]

約数ペア:

[(1, 29991320), (2, 14995660), (4, 7497830), (5, 5998264), (8, 3748915), (10, 2999132), (20, 1499566), (40, 749783), (73, 410840), (146, 205420), (292, 102710), (365, 82168), (584, 51355), (730, 41084), (1460, 20542), (2920, 10271)]