39488120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20147}}^1$

素因数の和:20172

約数の個数: 48

約数和(自身を含む): 103359240

約数和(自身を除く): 63871120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20147, 40294, 80588, 100735, 141029, 161176, 201470, 282058, 402940, 564116, 705145, 805880, 987203, 1128232, 1410290, 1974406, 2820580, 3948812, 4936015, 5641160, 7897624, 9872030, 19744060, 39488120]

約数ペア:

[(1, 39488120), (2, 19744060), (4, 9872030), (5, 7897624), (7, 5641160), (8, 4936015), (10, 3948812), (14, 2820580), (20, 1974406), (28, 1410290), (35, 1128232), (40, 987203), (49, 805880), (56, 705145), (70, 564116), (98, 402940), (140, 282058), (196, 201470), (245, 161176), (280, 141029), (392, 100735), (490, 80588), (980, 40294), (1960, 20147)]