90938000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1173

約数の個数: 80

約数和(自身を含む): 225454320

約数和(自身を除く): 134516320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 656, 820, 1000, 1025, 1109, 1640, 2000, 2050, 2218, 3280, 4100, 4436, 5125, 5545, 8200, 8872, 10250, 11090, 16400, 17744, 20500, 22180, 27725, 41000, 44360, 45469, 55450, 82000, 88720, 90938, 110900, 138625, 181876, 221800, 227345, 277250, 363752, 443600, 454690, 554500, 727504, 909380, 1109000, 1136725, 1818760, 2218000, 2273450, 3637520, 4546900, 5683625, 9093800, 11367250, 18187600, 22734500, 45469000, 90938000]

約数ペア:

[(1, 90938000), (2, 45469000), (4, 22734500), (5, 18187600), (8, 11367250), (10, 9093800), (16, 5683625), (20, 4546900), (25, 3637520), (40, 2273450), (41, 2218000), (50, 1818760), (80, 1136725), (82, 1109000), (100, 909380), (125, 727504), (164, 554500), (200, 454690), (205, 443600), (250, 363752), (328, 277250), (400, 227345), (410, 221800), (500, 181876), (656, 138625), (820, 110900), (1000, 90938), (1025, 88720), (1109, 82000), (1640, 55450), (2000, 45469), (2050, 44360), (2218, 41000), (3280, 27725), (4100, 22180), (4436, 20500), (5125, 17744), (5545, 16400), (8200, 11090), (8872, 10250)]