39500000

素因数分解:

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

素因数の和:119

約数の個数: 84

約数和(自身を含む): 98436240

約数和(自身を除く): 58936240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 125, 158, 160, 200, 250, 316, 395, 400, 500, 625, 632, 790, 800, 1000, 1250, 1264, 1580, 1975, 2000, 2500, 2528, 3125, 3160, 3950, 4000, 5000, 6250, 6320, 7900, 9875, 10000, 12500, 12640, 15625, 15800, 19750, 20000, 25000, 31250, 31600, 39500, 49375, 50000, 62500, 63200, 79000, 98750, 100000, 125000, 158000, 197500, 246875, 250000, 316000, 395000, 493750, 500000, 790000, 987500, 1234375, 1580000, 1975000, 2468750, 3950000, 4937500, 7900000, 9875000, 19750000, 39500000]

約数ペア:

[(1, 39500000), (2, 19750000), (4, 9875000), (5, 7900000), (8, 4937500), (10, 3950000), (16, 2468750), (20, 1975000), (25, 1580000), (32, 1234375), (40, 987500), (50, 790000), (79, 500000), (80, 493750), (100, 395000), (125, 316000), (158, 250000), (160, 246875), (200, 197500), (250, 158000), (316, 125000), (395, 100000), (400, 98750), (500, 79000), (625, 63200), (632, 62500), (790, 50000), (800, 49375), (1000, 39500), (1250, 31600), (1264, 31250), (1580, 25000), (1975, 20000), (2000, 19750), (2500, 15800), (2528, 15625), (3125, 12640), (3160, 12500), (3950, 10000), (4000, 9875), (5000, 7900), (6250, 6320)]