201643840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20327}}^1$

素因数の和:20375

約数の個数: 56

約数和(自身を含む): 495677952

約数和(自身を除く): 294034112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 20327, 40654, 81308, 101635, 162616, 203270, 325232, 406540, 630137, 650464, 813080, 1260274, 1300928, 1626160, 2520548, 3150685, 3252320, 5041096, 6301370, 6504640, 10082192, 12602740, 20164384, 25205480, 40328768, 50410960, 100821920, 201643840]

約数ペア:

[(1, 201643840), (2, 100821920), (4, 50410960), (5, 40328768), (8, 25205480), (10, 20164384), (16, 12602740), (20, 10082192), (31, 6504640), (32, 6301370), (40, 5041096), (62, 3252320), (64, 3150685), (80, 2520548), (124, 1626160), (155, 1300928), (160, 1260274), (248, 813080), (310, 650464), (320, 630137), (496, 406540), (620, 325232), (992, 203270), (1240, 162616), (1984, 101635), (2480, 81308), (4960, 40654), (9920, 20327)]