986787920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{1103}}^1$

素因数の和:1380

約数の個数: 80

約数和(自身を含む): 2350778112

約数和(自身を除く): 1363990192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 211, 212, 265, 422, 424, 530, 844, 848, 1055, 1060, 1103, 1688, 2110, 2120, 2206, 3376, 4220, 4240, 4412, 5515, 8440, 8824, 11030, 11183, 16880, 17648, 22060, 22366, 44120, 44732, 55915, 58459, 88240, 89464, 111830, 116918, 178928, 223660, 232733, 233836, 292295, 447320, 465466, 467672, 584590, 894640, 930932, 935344, 1163665, 1169180, 1861864, 2327330, 2338360, 3723728, 4654660, 4676720, 9309320, 12334849, 18618640, 24669698, 49339396, 61674245, 98678792, 123348490, 197357584, 246696980, 493393960, 986787920]

約数ペア:

[(1, 986787920), (2, 493393960), (4, 246696980), (5, 197357584), (8, 123348490), (10, 98678792), (16, 61674245), (20, 49339396), (40, 24669698), (53, 18618640), (80, 12334849), (106, 9309320), (211, 4676720), (212, 4654660), (265, 3723728), (422, 2338360), (424, 2327330), (530, 1861864), (844, 1169180), (848, 1163665), (1055, 935344), (1060, 930932), (1103, 894640), (1688, 584590), (2110, 467672), (2120, 465466), (2206, 447320), (3376, 292295), (4220, 233836), (4240, 232733), (4412, 223660), (5515, 178928), (8440, 116918), (8824, 111830), (11030, 89464), (11183, 88240), (16880, 58459), (17648, 55915), (22060, 44732), (22366, 44120)]