220852000

素因数分解:

$2^5\times 5^3\times {\mathrm{55213}}^1$

素因数の和:55238

約数の個数: 48

約数和(自身を含む): 542643192

約数和(自身を除く): 321791192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 55213, 110426, 220852, 276065, 441704, 552130, 883408, 1104260, 1380325, 1766816, 2208520, 2760650, 4417040, 5521300, 6901625, 8834080, 11042600, 13803250, 22085200, 27606500, 44170400, 55213000, 110426000, 220852000]

約数ペア:

[(1, 220852000), (2, 110426000), (4, 55213000), (5, 44170400), (8, 27606500), (10, 22085200), (16, 13803250), (20, 11042600), (25, 8834080), (32, 6901625), (40, 5521300), (50, 4417040), (80, 2760650), (100, 2208520), (125, 1766816), (160, 1380325), (200, 1104260), (250, 883408), (400, 552130), (500, 441704), (800, 276065), (1000, 220852), (2000, 110426), (4000, 55213)]