25976240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5323}}^1$

素因数の和:5397

約数の個数: 40

約数和(自身を含む): 61396368

約数和(自身を除く): 35420128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5323, 10646, 21292, 26615, 42584, 53230, 85168, 106460, 212920, 324703, 425840, 649406, 1298812, 1623515, 2597624, 3247030, 5195248, 6494060, 12988120, 25976240]

約数ペア:

[(1, 25976240), (2, 12988120), (4, 6494060), (5, 5195248), (8, 3247030), (10, 2597624), (16, 1623515), (20, 1298812), (40, 649406), (61, 425840), (80, 324703), (122, 212920), (244, 106460), (305, 85168), (488, 53230), (610, 42584), (976, 26615), (1220, 21292), (2440, 10646), (4880, 5323)]