88891181480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4973}}^1\times {\mathrm{5021}}^1$

素因数の和:10094

約数の個数: 64

約数和(自身を含む): 202333366800

約数和(自身を除く): 113442185320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4973, 5021, 9946, 10042, 19892, 20084, 24865, 25105, 39784, 40168, 49730, 50210, 99460, 100420, 198920, 200840, 442597, 446869, 885194, 893738, 1770388, 1787476, 2212985, 2234345, 3540776, 3574952, 4425970, 4468690, 8851940, 8937380, 17703880, 17874760, 24969433, 49938866, 99877732, 124847165, 199755464, 249694330, 499388660, 998777320, 2222279537, 4444559074, 8889118148, 11111397685, 17778236296, 22222795370, 44445590740, 88891181480]

約数ペア:

[(1, 88891181480), (2, 44445590740), (4, 22222795370), (5, 17778236296), (8, 11111397685), (10, 8889118148), (20, 4444559074), (40, 2222279537), (89, 998777320), (178, 499388660), (356, 249694330), (445, 199755464), (712, 124847165), (890, 99877732), (1780, 49938866), (3560, 24969433), (4973, 17874760), (5021, 17703880), (9946, 8937380), (10042, 8851940), (19892, 4468690), (20084, 4425970), (24865, 3574952), (25105, 3540776), (39784, 2234345), (40168, 2212985), (49730, 1787476), (50210, 1770388), (99460, 893738), (100420, 885194), (198920, 446869), (200840, 442597)]