79803920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4597}}^1$

素因数の和:4648

約数の個数: 80

約数和(自身を含む): 218938368

約数和(自身を除く): 139134448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 4597, 8680, 9194, 17360, 18388, 22985, 32179, 36776, 45970, 64358, 73552, 91940, 128716, 142507, 160895, 183880, 257432, 285014, 321790, 367760, 514864, 570028, 643580, 712535, 997549, 1140056, 1287160, 1425070, 1995098, 2280112, 2574320, 2850140, 3990196, 4987745, 5700280, 7980392, 9975490, 11400560, 15960784, 19950980, 39901960, 79803920]

約数ペア:

[(1, 79803920), (2, 39901960), (4, 19950980), (5, 15960784), (7, 11400560), (8, 9975490), (10, 7980392), (14, 5700280), (16, 4987745), (20, 3990196), (28, 2850140), (31, 2574320), (35, 2280112), (40, 1995098), (56, 1425070), (62, 1287160), (70, 1140056), (80, 997549), (112, 712535), (124, 643580), (140, 570028), (155, 514864), (217, 367760), (248, 321790), (280, 285014), (310, 257432), (434, 183880), (496, 160895), (560, 142507), (620, 128716), (868, 91940), (1085, 73552), (1240, 64358), (1736, 45970), (2170, 36776), (2480, 32179), (3472, 22985), (4340, 18388), (4597, 17360), (8680, 9194)]