20154690425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{24407}}^1$

素因数の和:24530

約数の個数: 48

約数和(自身を含む): 27784114560

約数和(自身を除く): 7629424135

約数列:

[1, 5, 17, 25, 29, 67, 85, 145, 335, 425, 493, 725, 1139, 1675, 1943, 2465, 5695, 9715, 12325, 24407, 28475, 33031, 48575, 122035, 165155, 414919, 610175, 707803, 825775, 1635269, 2074595, 3539015, 8176345, 10372975, 12032651, 17695075, 27799573, 40881725, 47422801, 60163255, 138997865, 237114005, 300816275, 694989325, 806187617, 1185570025, 4030938085, 20154690425]

約数ペア:

[(1, 20154690425), (5, 4030938085), (17, 1185570025), (25, 806187617), (29, 694989325), (67, 300816275), (85, 237114005), (145, 138997865), (335, 60163255), (425, 47422801), (493, 40881725), (725, 27799573), (1139, 17695075), (1675, 12032651), (1943, 10372975), (2465, 8176345), (5695, 3539015), (9715, 2074595), (12325, 1635269), (24407, 825775), (28475, 707803), (33031, 610175), (48575, 414919), (122035, 165155)]