80654810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6959}}^1$

素因数の和:7046

約数の個数: 32

約数和(自身を含む): 155347200

約数和(自身を除く): 74692390

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 6959, 11590, 13918, 34795, 69590, 132221, 264442, 424499, 661105, 848998, 1322210, 2122495, 4244990, 8065481, 16130962, 40327405, 80654810]

約数ペア:

[(1, 80654810), (2, 40327405), (5, 16130962), (10, 8065481), (19, 4244990), (38, 2122495), (61, 1322210), (95, 848998), (122, 661105), (190, 424499), (305, 264442), (610, 132221), (1159, 69590), (2318, 34795), (5795, 13918), (6959, 11590)]