25410160

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 61996032

約数和(自身を除く): 36585872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 80, 82, 122, 127, 164, 205, 244, 254, 305, 328, 410, 488, 508, 610, 635, 656, 820, 976, 1016, 1220, 1270, 1640, 2032, 2440, 2501, 2540, 3280, 4880, 5002, 5080, 5207, 7747, 10004, 10160, 10414, 12505, 15494, 20008, 20828, 25010, 26035, 30988, 38735, 40016, 41656, 50020, 52070, 61976, 77470, 83312, 100040, 104140, 123952, 154940, 200080, 208280, 309880, 317627, 416560, 619760, 635254, 1270508, 1588135, 2541016, 3176270, 5082032, 6352540, 12705080, 25410160]

約数ペア:

[(1, 25410160), (2, 12705080), (4, 6352540), (5, 5082032), (8, 3176270), (10, 2541016), (16, 1588135), (20, 1270508), (40, 635254), (41, 619760), (61, 416560), (80, 317627), (82, 309880), (122, 208280), (127, 200080), (164, 154940), (205, 123952), (244, 104140), (254, 100040), (305, 83312), (328, 77470), (410, 61976), (488, 52070), (508, 50020), (610, 41656), (635, 40016), (656, 38735), (820, 30988), (976, 26035), (1016, 25010), (1220, 20828), (1270, 20008), (1640, 15494), (2032, 12505), (2440, 10414), (2501, 10160), (2540, 10004), (3280, 7747), (4880, 5207), (5002, 5080)]