9893650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 20498688

約数和(自身を除く): 10605038

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 491, 650, 775, 806, 982, 1550, 2015, 2455, 4030, 4910, 6383, 10075, 12275, 12766, 15221, 20150, 24550, 30442, 31915, 63830, 76105, 152210, 159575, 197873, 319150, 380525, 395746, 761050, 989365, 1978730, 4946825, 9893650]

約数ペア:

[(1, 9893650), (2, 4946825), (5, 1978730), (10, 989365), (13, 761050), (25, 395746), (26, 380525), (31, 319150), (50, 197873), (62, 159575), (65, 152210), (130, 76105), (155, 63830), (310, 31915), (325, 30442), (403, 24550), (491, 20150), (650, 15221), (775, 12766), (806, 12275), (982, 10075), (1550, 6383), (2015, 4910), (2455, 4030)]