29965240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{7723}}^1$

素因数の和:7831

約数の個数: 32

約数和(自身を含む): 68125680

約数和(自身を除く): 38160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 7723, 15446, 30892, 38615, 61784, 77230, 154460, 308920, 749131, 1498262, 2996524, 3745655, 5993048, 7491310, 14982620, 29965240]

約数ペア:

[(1, 29965240), (2, 14982620), (4, 7491310), (5, 5993048), (8, 3745655), (10, 2996524), (20, 1498262), (40, 749131), (97, 308920), (194, 154460), (388, 77230), (485, 61784), (776, 38615), (970, 30892), (1940, 15446), (3880, 7723)]