4037227520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{788521}}^1$

素因数の和:788546

約数の個数: 44

約数和(自身を含む): 9684627204

約数和(自身を除く): 5647399684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 788521, 1577042, 3154084, 3942605, 6308168, 7885210, 12616336, 15770420, 25232672, 31540840, 50465344, 63081680, 100930688, 126163360, 201861376, 252326720, 403722752, 504653440, 807445504, 1009306880, 2018613760, 4037227520]

約数ペア:

[(1, 4037227520), (2, 2018613760), (4, 1009306880), (5, 807445504), (8, 504653440), (10, 403722752), (16, 252326720), (20, 201861376), (32, 126163360), (40, 100930688), (64, 63081680), (80, 50465344), (128, 31540840), (160, 25232672), (256, 15770420), (320, 12616336), (512, 7885210), (640, 6308168), (1024, 3942605), (1280, 3154084), (2560, 1577042), (5120, 788521)]