89690000

素因数分解:

$2^4\times 5^4\times {\mathrm{8969}}^1$

素因数の和:8997

約数の個数: 50

約数和(自身を含む): 217172670

約数和(自身を除く): 127482670

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 8969, 10000, 17938, 35876, 44845, 71752, 89690, 143504, 179380, 224225, 358760, 448450, 717520, 896900, 1121125, 1793800, 2242250, 3587600, 4484500, 5605625, 8969000, 11211250, 17938000, 22422500, 44845000, 89690000]

約数ペア:

[(1, 89690000), (2, 44845000), (4, 22422500), (5, 17938000), (8, 11211250), (10, 8969000), (16, 5605625), (20, 4484500), (25, 3587600), (40, 2242250), (50, 1793800), (80, 1121125), (100, 896900), (125, 717520), (200, 448450), (250, 358760), (400, 224225), (500, 179380), (625, 143504), (1000, 89690), (1250, 71752), (2000, 44845), (2500, 35876), (5000, 17938), (8969, 10000)]