68328650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3447

約数の個数: 48

約数和(自身を含む): 141324288

約数和(自身を除く): 72995638

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 3391, 4030, 6782, 10075, 16955, 20150, 33910, 44083, 84775, 88166, 105121, 169550, 210242, 220415, 440830, 525605, 1051210, 1102075, 1366573, 2204150, 2628025, 2733146, 5256050, 6832865, 13665730, 34164325, 68328650]

約数ペア:

[(1, 68328650), (2, 34164325), (5, 13665730), (10, 6832865), (13, 5256050), (25, 2733146), (26, 2628025), (31, 2204150), (50, 1366573), (62, 1102075), (65, 1051210), (130, 525605), (155, 440830), (310, 220415), (325, 210242), (403, 169550), (650, 105121), (775, 88166), (806, 84775), (1550, 44083), (2015, 33910), (3391, 20150), (4030, 16955), (6782, 10075)]