55782020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12853}}^1$

素因数の和:12900

約数の個数: 48

約数和(自身を含む): 138206208

約数和(自身を除く): 82424188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 12853, 25706, 51412, 64265, 89971, 128530, 179942, 257060, 359884, 398443, 449855, 796886, 899710, 1593772, 1799420, 1992215, 2789101, 3984430, 5578202, 7968860, 11156404, 13945505, 27891010, 55782020]

約数ペア:

[(1, 55782020), (2, 27891010), (4, 13945505), (5, 11156404), (7, 7968860), (10, 5578202), (14, 3984430), (20, 2789101), (28, 1992215), (31, 1799420), (35, 1593772), (62, 899710), (70, 796886), (124, 449855), (140, 398443), (155, 359884), (217, 257060), (310, 179942), (434, 128530), (620, 89971), (868, 64265), (1085, 51412), (2170, 25706), (4340, 12853)]