28273120

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2129}}^1$

素因数の和:2227

約数の個数: 48

約数和(自身を含む): 67631760

約数和(自身を除く): 39358640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2129, 2656, 3320, 4258, 6640, 8516, 10645, 13280, 17032, 21290, 34064, 42580, 68128, 85160, 170320, 176707, 340640, 353414, 706828, 883535, 1413656, 1767070, 2827312, 3534140, 5654624, 7068280, 14136560, 28273120]

約数ペア:

[(1, 28273120), (2, 14136560), (4, 7068280), (5, 5654624), (8, 3534140), (10, 2827312), (16, 1767070), (20, 1413656), (32, 883535), (40, 706828), (80, 353414), (83, 340640), (160, 176707), (166, 170320), (332, 85160), (415, 68128), (664, 42580), (830, 34064), (1328, 21290), (1660, 17032), (2129, 13280), (2656, 10645), (3320, 8516), (4258, 6640)]