40006864

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 81105920

約数和(自身を除く): 41099056

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 632, 1021, 1264, 2042, 2449, 4084, 4898, 8168, 9796, 16336, 19592, 31651, 39184, 63302, 80659, 126604, 161318, 253208, 322636, 506416, 645272, 1290544, 2500429, 5000858, 10001716, 20003432, 40006864]

約数ペア:

[(1, 40006864), (2, 20003432), (4, 10001716), (8, 5000858), (16, 2500429), (31, 1290544), (62, 645272), (79, 506416), (124, 322636), (158, 253208), (248, 161318), (316, 126604), (496, 80659), (632, 63302), (1021, 39184), (1264, 31651), (2042, 19592), (2449, 16336), (4084, 9796), (4898, 8168)]