80496225880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1567}}^1\times {\mathrm{26209}}^1$

素因数の和:27801

約数の個数: 96

約数和(自身を含む): 210829046400

約数和(自身を除く): 130332820520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1567, 1960, 3134, 6268, 7835, 10969, 12536, 15670, 21938, 26209, 31340, 43876, 52418, 54845, 62680, 76783, 87752, 104836, 109690, 131045, 153566, 183463, 209672, 219380, 262090, 307132, 366926, 383915, 438760, 524180, 614264, 733852, 767830, 917315, 1048360, 1284241, 1467704, 1535660, 1834630, 2568482, 3071320, 3669260, 5136964, 6421205, 7338520, 10273928, 12842410, 25684820, 41069503, 51369640, 82139006, 164278012, 205347515, 287486521, 328556024, 410695030, 574973042, 821390060, 1149946084, 1437432605, 1642780120, 2012405647, 2299892168, 2874865210, 4024811294, 5749730420, 8049622588, 10062028235, 11499460840, 16099245176, 20124056470, 40248112940, 80496225880]

約数ペア:

[(1, 80496225880), (2, 40248112940), (4, 20124056470), (5, 16099245176), (7, 11499460840), (8, 10062028235), (10, 8049622588), (14, 5749730420), (20, 4024811294), (28, 2874865210), (35, 2299892168), (40, 2012405647), (49, 1642780120), (56, 1437432605), (70, 1149946084), (98, 821390060), (140, 574973042), (196, 410695030), (245, 328556024), (280, 287486521), (392, 205347515), (490, 164278012), (980, 82139006), (1567, 51369640), (1960, 41069503), (3134, 25684820), (6268, 12842410), (7835, 10273928), (10969, 7338520), (12536, 6421205), (15670, 5136964), (21938, 3669260), (26209, 3071320), (31340, 2568482), (43876, 1834630), (52418, 1535660), (54845, 1467704), (62680, 1284241), (76783, 1048360), (87752, 917315), (104836, 767830), (109690, 733852), (131045, 614264), (153566, 524180), (183463, 438760), (209672, 383915), (219380, 366926), (262090, 307132)]