71505920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6983}}^1$

素因数の和:7010

約数の個数: 48

約数和(自身を含む): 171596880

約数和(自身を除く): 100090960

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, 5120, 6983, 10240, 13966, 27932, 34915, 55864, 69830, 111728, 139660, 223456, 279320, 446912, 558640, 893824, 1117280, 1787648, 2234560, 3575296, 4469120, 7150592, 8938240, 14301184, 17876480, 35752960, 71505920]

約数ペア:

[(1, 71505920), (2, 35752960), (4, 17876480), (5, 14301184), (8, 8938240), (10, 7150592), (16, 4469120), (20, 3575296), (32, 2234560), (40, 1787648), (64, 1117280), (80, 893824), (128, 558640), (160, 446912), (256, 279320), (320, 223456), (512, 139660), (640, 111728), (1024, 69830), (1280, 55864), (2048, 34915), (2560, 27932), (5120, 13966), (6983, 10240)]