80878535

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 109209600

約数和(自身を除く): 28331065

約数列:

[1, 5, 19, 29, 31, 95, 145, 155, 551, 589, 899, 947, 2755, 2945, 4495, 4735, 17081, 17993, 27463, 29357, 85405, 89965, 137315, 146785, 521797, 557783, 851353, 2608985, 2788915, 4256765, 16175707, 80878535]

約数ペア:

[(1, 80878535), (5, 16175707), (19, 4256765), (29, 2788915), (31, 2608985), (95, 851353), (145, 557783), (155, 521797), (551, 146785), (589, 137315), (899, 89965), (947, 85405), (2755, 29357), (2945, 27463), (4495, 17993), (4735, 17081)]