27879440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 68500080

約数和(自身を除く): 40620640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 116, 122, 145, 197, 232, 244, 290, 305, 394, 464, 488, 580, 610, 788, 976, 985, 1160, 1220, 1576, 1769, 1970, 2320, 2440, 3152, 3538, 3940, 4880, 5713, 7076, 7880, 8845, 11426, 12017, 14152, 15760, 17690, 22852, 24034, 28304, 28565, 35380, 45704, 48068, 57130, 60085, 70760, 91408, 96136, 114260, 120170, 141520, 192272, 228520, 240340, 348493, 457040, 480680, 696986, 961360, 1393972, 1742465, 2787944, 3484930, 5575888, 6969860, 13939720, 27879440]

約数ペア:

[(1, 27879440), (2, 13939720), (4, 6969860), (5, 5575888), (8, 3484930), (10, 2787944), (16, 1742465), (20, 1393972), (29, 961360), (40, 696986), (58, 480680), (61, 457040), (80, 348493), (116, 240340), (122, 228520), (145, 192272), (197, 141520), (232, 120170), (244, 114260), (290, 96136), (305, 91408), (394, 70760), (464, 60085), (488, 57130), (580, 48068), (610, 45704), (788, 35380), (976, 28565), (985, 28304), (1160, 24034), (1220, 22852), (1576, 17690), (1769, 15760), (1970, 14152), (2320, 12017), (2440, 11426), (3152, 8845), (3538, 7880), (3940, 7076), (4880, 5713)]