72113680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9293}}^1$

素因数の和:9403

約数の個数: 40

約数和(自身を含む): 169411032

約数和(自身を除く): 97297352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 9293, 18586, 37172, 46465, 74344, 92930, 148688, 185860, 371720, 743440, 901421, 1802842, 3605684, 4507105, 7211368, 9014210, 14422736, 18028420, 36056840, 72113680]

約数ペア:

[(1, 72113680), (2, 36056840), (4, 18028420), (5, 14422736), (8, 9014210), (10, 7211368), (16, 4507105), (20, 3605684), (40, 1802842), (80, 901421), (97, 743440), (194, 371720), (388, 185860), (485, 148688), (776, 92930), (970, 74344), (1552, 46465), (1940, 37172), (3880, 18586), (7760, 9293)]