30000005720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24193553}}^1$

素因数の和:24193595

約数の個数: 32

約数和(自身を含む): 69677435520

約数和(自身を除く): 39677429800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24193553, 48387106, 96774212, 120967765, 193548424, 241935530, 483871060, 750000143, 967742120, 1500000286, 3000000572, 3750000715, 6000001144, 7500001430, 15000002860, 30000005720]

約数ペア:

[(1, 30000005720), (2, 15000002860), (4, 7500001430), (5, 6000001144), (8, 3750000715), (10, 3000000572), (20, 1500000286), (31, 967742120), (40, 750000143), (62, 483871060), (124, 241935530), (155, 193548424), (248, 120967765), (310, 96774212), (620, 48387106), (1240, 24193553)]