65720320

素因数分解:

$2^{12}\times 5^1\times {\mathrm{3209}}^1$

素因数の和:3238

約数の個数: 52

約数和(自身を含む): 157758660

約数和(自身を除く): 92038340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 3209, 4096, 5120, 6418, 10240, 12836, 16045, 20480, 25672, 32090, 51344, 64180, 102688, 128360, 205376, 256720, 410752, 513440, 821504, 1026880, 1643008, 2053760, 3286016, 4107520, 6572032, 8215040, 13144064, 16430080, 32860160, 65720320]

約数ペア:

[(1, 65720320), (2, 32860160), (4, 16430080), (5, 13144064), (8, 8215040), (10, 6572032), (16, 4107520), (20, 3286016), (32, 2053760), (40, 1643008), (64, 1026880), (80, 821504), (128, 513440), (160, 410752), (256, 256720), (320, 205376), (512, 128360), (640, 102688), (1024, 64180), (1280, 51344), (2048, 32090), (2560, 25672), (3209, 20480), (4096, 16045), (5120, 12836), (6418, 10240)]