19450400

素因数分解:

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

素因数の和:654

約数の個数: 72

約数和(自身を含む): 48723444

約数和(自身を除く): 29273044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 593, 656, 800, 820, 1025, 1186, 1312, 1640, 2050, 2372, 2965, 3280, 4100, 4744, 5930, 6560, 8200, 9488, 11860, 14825, 16400, 18976, 23720, 24313, 29650, 32800, 47440, 48626, 59300, 94880, 97252, 118600, 121565, 194504, 237200, 243130, 389008, 474400, 486260, 607825, 778016, 972520, 1215650, 1945040, 2431300, 3890080, 4862600, 9725200, 19450400]

約数ペア:

[(1, 19450400), (2, 9725200), (4, 4862600), (5, 3890080), (8, 2431300), (10, 1945040), (16, 1215650), (20, 972520), (25, 778016), (32, 607825), (40, 486260), (41, 474400), (50, 389008), (80, 243130), (82, 237200), (100, 194504), (160, 121565), (164, 118600), (200, 97252), (205, 94880), (328, 59300), (400, 48626), (410, 47440), (593, 32800), (656, 29650), (800, 24313), (820, 23720), (1025, 18976), (1186, 16400), (1312, 14825), (1640, 11860), (2050, 9488), (2372, 8200), (2965, 6560), (3280, 5930), (4100, 4744)]