199912960

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6007}}^1$

素因数の和:6043

約数の個数: 80

約数和(自身を含む): 516279456

約数和(自身を除く): 316366496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6007, 6656, 8320, 12014, 16640, 24028, 30035, 33280, 48056, 60070, 78091, 96112, 120140, 156182, 192224, 240280, 312364, 384448, 390455, 480560, 624728, 768896, 780910, 961120, 1249456, 1537792, 1561820, 1922240, 2498912, 3075584, 3123640, 3844480, 4997824, 6247280, 7688960, 9995648, 12494560, 15377920, 19991296, 24989120, 39982592, 49978240, 99956480, 199912960]

約数ペア:

[(1, 199912960), (2, 99956480), (4, 49978240), (5, 39982592), (8, 24989120), (10, 19991296), (13, 15377920), (16, 12494560), (20, 9995648), (26, 7688960), (32, 6247280), (40, 4997824), (52, 3844480), (64, 3123640), (65, 3075584), (80, 2498912), (104, 1922240), (128, 1561820), (130, 1537792), (160, 1249456), (208, 961120), (256, 780910), (260, 768896), (320, 624728), (416, 480560), (512, 390455), (520, 384448), (640, 312364), (832, 240280), (1040, 192224), (1280, 156182), (1664, 120140), (2080, 96112), (2560, 78091), (3328, 60070), (4160, 48056), (6007, 33280), (6656, 30035), (8320, 24028), (12014, 16640)]