11509480

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 27118800

約数和(自身を除く): 15609320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 89, 106, 122, 178, 212, 244, 265, 305, 356, 424, 445, 488, 530, 610, 712, 890, 1060, 1220, 1780, 2120, 2440, 3233, 3560, 4717, 5429, 6466, 9434, 10858, 12932, 16165, 18868, 21716, 23585, 25864, 27145, 32330, 37736, 43432, 47170, 54290, 64660, 94340, 108580, 129320, 188680, 217160, 287737, 575474, 1150948, 1438685, 2301896, 2877370, 5754740, 11509480]

約数ペア:

[(1, 11509480), (2, 5754740), (4, 2877370), (5, 2301896), (8, 1438685), (10, 1150948), (20, 575474), (40, 287737), (53, 217160), (61, 188680), (89, 129320), (106, 108580), (122, 94340), (178, 64660), (212, 54290), (244, 47170), (265, 43432), (305, 37736), (356, 32330), (424, 27145), (445, 25864), (488, 23585), (530, 21716), (610, 18868), (712, 16165), (890, 12932), (1060, 10858), (1220, 9434), (1780, 6466), (2120, 5429), (2440, 4717), (3233, 3560)]