72305920

素因数分解:

$2^8\times 5^1\times {\mathrm{56489}}^1$

素因数の和:56510

約数の個数: 36

約数和(自身を含む): 173198340

約数和(自身を除く): 100892420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 56489, 112978, 225956, 282445, 451912, 564890, 903824, 1129780, 1807648, 2259560, 3615296, 4519120, 7230592, 9038240, 14461184, 18076480, 36152960, 72305920]

約数ペア:

[(1, 72305920), (2, 36152960), (4, 18076480), (5, 14461184), (8, 9038240), (10, 7230592), (16, 4519120), (20, 3615296), (32, 2259560), (40, 1807648), (64, 1129780), (80, 903824), (128, 564890), (160, 451912), (256, 282445), (320, 225956), (640, 112978), (1280, 56489)]