39901960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4597}}^1$

素因数の和:4646

約数の個数: 64

約数和(自身を含む): 105937920

約数和(自身を除く): 66035960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 4597, 8680, 9194, 18388, 22985, 32179, 36776, 45970, 64358, 91940, 128716, 142507, 160895, 183880, 257432, 285014, 321790, 570028, 643580, 712535, 997549, 1140056, 1287160, 1425070, 1995098, 2850140, 3990196, 4987745, 5700280, 7980392, 9975490, 19950980, 39901960]

約数ペア:

[(1, 39901960), (2, 19950980), (4, 9975490), (5, 7980392), (7, 5700280), (8, 4987745), (10, 3990196), (14, 2850140), (20, 1995098), (28, 1425070), (31, 1287160), (35, 1140056), (40, 997549), (56, 712535), (62, 643580), (70, 570028), (124, 321790), (140, 285014), (155, 257432), (217, 183880), (248, 160895), (280, 142507), (310, 128716), (434, 91940), (620, 64358), (868, 45970), (1085, 36776), (1240, 32179), (1736, 22985), (2170, 18388), (4340, 9194), (4597, 8680)]