39021160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 90493200

約数和(自身を除く): 51472040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 113, 178, 194, 226, 356, 388, 445, 452, 485, 565, 712, 776, 890, 904, 970, 1130, 1780, 1940, 2260, 3560, 3880, 4520, 8633, 10057, 10961, 17266, 20114, 21922, 34532, 40228, 43165, 43844, 50285, 54805, 69064, 80456, 86330, 87688, 100570, 109610, 172660, 201140, 219220, 345320, 402280, 438440, 975529, 1951058, 3902116, 4877645, 7804232, 9755290, 19510580, 39021160]

約数ペア:

[(1, 39021160), (2, 19510580), (4, 9755290), (5, 7804232), (8, 4877645), (10, 3902116), (20, 1951058), (40, 975529), (89, 438440), (97, 402280), (113, 345320), (178, 219220), (194, 201140), (226, 172660), (356, 109610), (388, 100570), (445, 87688), (452, 86330), (485, 80456), (565, 69064), (712, 54805), (776, 50285), (890, 43844), (904, 43165), (970, 40228), (1130, 34532), (1780, 21922), (1940, 20114), (2260, 17266), (3560, 10961), (3880, 10057), (4520, 8633)]