12672440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 31570560

約数和(自身を除く): 18898120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 347, 415, 440, 664, 694, 830, 913, 1388, 1660, 1735, 1826, 2776, 3320, 3470, 3652, 3817, 4565, 6940, 7304, 7634, 9130, 13880, 15268, 18260, 19085, 28801, 30536, 36520, 38170, 57602, 76340, 115204, 144005, 152680, 230408, 288010, 316811, 576020, 633622, 1152040, 1267244, 1584055, 2534488, 3168110, 6336220, 12672440]

約数ペア:

[(1, 12672440), (2, 6336220), (4, 3168110), (5, 2534488), (8, 1584055), (10, 1267244), (11, 1152040), (20, 633622), (22, 576020), (40, 316811), (44, 288010), (55, 230408), (83, 152680), (88, 144005), (110, 115204), (166, 76340), (220, 57602), (332, 38170), (347, 36520), (415, 30536), (440, 28801), (664, 19085), (694, 18260), (830, 15268), (913, 13880), (1388, 9130), (1660, 7634), (1735, 7304), (1826, 6940), (2776, 4565), (3320, 3817), (3470, 3652)]