55688120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 131911200

約数和(自身を除く): 76223080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 787, 1160, 1220, 1574, 1769, 2440, 3148, 3538, 3935, 6296, 7076, 7870, 8845, 14152, 15740, 17690, 22823, 31480, 35380, 45646, 48007, 70760, 91292, 96014, 114115, 182584, 192028, 228230, 240035, 384056, 456460, 480070, 912920, 960140, 1392203, 1920280, 2784406, 5568812, 6961015, 11137624, 13922030, 27844060, 55688120]

約数ペア:

[(1, 55688120), (2, 27844060), (4, 13922030), (5, 11137624), (8, 6961015), (10, 5568812), (20, 2784406), (29, 1920280), (40, 1392203), (58, 960140), (61, 912920), (116, 480070), (122, 456460), (145, 384056), (232, 240035), (244, 228230), (290, 192028), (305, 182584), (488, 114115), (580, 96014), (610, 91292), (787, 70760), (1160, 48007), (1220, 45646), (1574, 35380), (1769, 31480), (2440, 22823), (3148, 17690), (3538, 15740), (3935, 14152), (6296, 8845), (7076, 7870)]