69940880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9013}}^1$

素因数の和:9123

約数の個数: 40

約数和(自身を含む): 164307192

約数和(自身を除く): 94366312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 9013, 18026, 36052, 45065, 72104, 90130, 144208, 180260, 360520, 721040, 874261, 1748522, 3497044, 4371305, 6994088, 8742610, 13988176, 17485220, 34970440, 69940880]

約数ペア:

[(1, 69940880), (2, 34970440), (4, 17485220), (5, 13988176), (8, 8742610), (10, 6994088), (16, 4371305), (20, 3497044), (40, 1748522), (80, 874261), (97, 721040), (194, 360520), (388, 180260), (485, 144208), (776, 90130), (970, 72104), (1552, 45065), (1940, 36052), (3880, 18026), (7760, 9013)]