79688360

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1621}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 179555400

約数和(自身を除く): 99867040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 1621, 2458, 3242, 4916, 6145, 6484, 8105, 9832, 12290, 12968, 16210, 24580, 32420, 49160, 64840, 1992209, 3984418, 7968836, 9961045, 15937672, 19922090, 39844180, 79688360]

約数ペア:

[(1, 79688360), (2, 39844180), (4, 19922090), (5, 15937672), (8, 9961045), (10, 7968836), (20, 3984418), (40, 1992209), (1229, 64840), (1621, 49160), (2458, 32420), (3242, 24580), (4916, 16210), (6145, 12968), (6484, 12290), (8105, 9832)]