204059280640

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5142623}}^1$

素因数の和:5142675

約数の個数: 72

約数和(自身を含む): 504553125888

約数和(自身を除く): 300493845248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 5142623, 10285246, 20570492, 25713115, 41140984, 51426230, 82281968, 102852460, 159421313, 164563936, 205704920, 318842626, 329127872, 411409840, 637685252, 658255744, 797106565, 822819680, 1275370504, 1316511488, 1594213130, 1645639360, 2550741008, 3188426260, 3291278720, 5101482016, 6376852520, 6582557440, 10202964032, 12753705040, 20405928064, 25507410080, 40811856128, 51014820160, 102029640320, 204059280640]

約数ペア:

[(1, 204059280640), (2, 102029640320), (4, 51014820160), (5, 40811856128), (8, 25507410080), (10, 20405928064), (16, 12753705040), (20, 10202964032), (31, 6582557440), (32, 6376852520), (40, 5101482016), (62, 3291278720), (64, 3188426260), (80, 2550741008), (124, 1645639360), (128, 1594213130), (155, 1316511488), (160, 1275370504), (248, 822819680), (256, 797106565), (310, 658255744), (320, 637685252), (496, 411409840), (620, 329127872), (640, 318842626), (992, 205704920), (1240, 164563936), (1280, 159421313), (1984, 102852460), (2480, 82281968), (3968, 51426230), (4960, 41140984), (7936, 25713115), (9920, 20570492), (19840, 10285246), (39680, 5142623)]