31120640

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 76490568

約数和(自身を除く): 45369928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 593, 640, 656, 820, 1186, 1280, 1312, 1640, 2372, 2624, 2965, 3280, 4744, 5248, 5930, 6560, 9488, 10496, 11860, 13120, 18976, 23720, 24313, 26240, 37952, 47440, 48626, 52480, 75904, 94880, 97252, 121565, 151808, 189760, 194504, 243130, 379520, 389008, 486260, 759040, 778016, 972520, 1556032, 1945040, 3112064, 3890080, 6224128, 7780160, 15560320, 31120640]

約数ペア:

[(1, 31120640), (2, 15560320), (4, 7780160), (5, 6224128), (8, 3890080), (10, 3112064), (16, 1945040), (20, 1556032), (32, 972520), (40, 778016), (41, 759040), (64, 486260), (80, 389008), (82, 379520), (128, 243130), (160, 194504), (164, 189760), (205, 151808), (256, 121565), (320, 97252), (328, 94880), (410, 75904), (593, 52480), (640, 48626), (656, 47440), (820, 37952), (1186, 26240), (1280, 24313), (1312, 23720), (1640, 18976), (2372, 13120), (2624, 11860), (2965, 10496), (3280, 9488), (4744, 6560), (5248, 5930)]