71532320

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{691}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 169501248

約数和(自身を除く): 97968928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 691, 1294, 1382, 2588, 2764, 3235, 3455, 5176, 5528, 6470, 6910, 10352, 11056, 12940, 13820, 20704, 22112, 25880, 27640, 51760, 55280, 103520, 110560, 447077, 894154, 1788308, 2235385, 3576616, 4470770, 7153232, 8941540, 14306464, 17883080, 35766160, 71532320]

約数ペア:

[(1, 71532320), (2, 35766160), (4, 17883080), (5, 14306464), (8, 8941540), (10, 7153232), (16, 4470770), (20, 3576616), (32, 2235385), (40, 1788308), (80, 894154), (160, 447077), (647, 110560), (691, 103520), (1294, 55280), (1382, 51760), (2588, 27640), (2764, 25880), (3235, 22112), (3455, 20704), (5176, 13820), (5528, 12940), (6470, 11056), (6910, 10352)]