2989335040

素因数分解:

$2^9\times 5^1\times {\mathrm{1167709}}^1$

素因数の和:1167732

約数の個数: 40

約数和(自身を含む): 7167403980

約数和(自身を除く): 4178068940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 1167709, 2335418, 4670836, 5838545, 9341672, 11677090, 18683344, 23354180, 37366688, 46708360, 74733376, 93416720, 149466752, 186833440, 298933504, 373666880, 597867008, 747333760, 1494667520, 2989335040]

約数ペア:

[(1, 2989335040), (2, 1494667520), (4, 747333760), (5, 597867008), (8, 373666880), (10, 298933504), (16, 186833440), (20, 149466752), (32, 93416720), (40, 74733376), (64, 46708360), (80, 37366688), (128, 23354180), (160, 18683344), (256, 11677090), (320, 9341672), (512, 5838545), (640, 4670836), (1280, 2335418), (2560, 1167709)]